High precision: Professional manufacturing, high precision and good reliability. All our products are professionally tested before leaving the factory to ensure stable operation and can be identified quickly and accurately. | Large capacity: With a high-quality ABS housing, you can record up to 100,000 changes. The written information can be retained for up to 10 years without loss. | Uses: Keychain ID / IC card for access control system. Can be used in factories, office buildings and apartments. 100 ID / IC cards can meet your large demand. | Precision design: Precision design, stable performance and easy to use. Is your best choice. | 100% satisfaction: Your satisfaction is our priority. If you have any questions during use and purchase, please feel free to contact us and we will reply you as soon as possible.

☆☆This USB 2.0 capture card can capture both HDMI video and HDMI audio, and can transmit audio and video signals to computers and smart phones for preview and storage. | ☆☆Support maximum input resolution up to 4K, maximum output resolution up to 1080P; support 8/10/12 bit color depth. | ☆☆When supporting the use of standard AWG26 cables, the input transmission distance is up to 15m/49.2ft (1080P and below resolution). | ☆☆The vedio grabber support most acquisition software, such as VLC, OBS, Amcap, etc. Support for Windows, for Android and for MacOS, you can use it in different system. | ☆☆Comply with USB video UVC specification; comply with USB audio UAC specification. Convenient for users, without external power supply, compact and easy to carry.

Stable performance: The RFID wristband adopts a working frequency of 125KHz, and the performance of this RFID wristband is stable and professional. Formatted in the standard format used in most access control security systems. | Wide application: RFID access control wristbands are suitable for swimming pools, gyms, cold rooms, access control, etc., suitable for humid environments. | Comfortable to wear: closed-loop wristband, bright color, comfortable to wear. Adjustable wrist strap fits almost all sizes. | Access control: waterproof, moisture-proof, shock-proof, high temperature resistance. The wristband of the bracelet is an original chip, which needs to be written on it before it can be read. | High-quality and durable: high-quality silicone material, non-cracking, long service life, non-irritating.

High quality industrial optical glass, multi-layer coating technology, high precision, large aperture and large amount of lightThe image is clear and realistic, with high transmittance and clear picture quality, imaging is better than ordinary lenses. | 16mm fixed focus lens can make your camera monitor farther. It can objectively record and reflect the subject's movement speed and rhythm changes, which is perfect for outdoor areas that require monitoring. | 5MP high-definition lens has clear image, good color reduction, less noise and small small distortion. Wide-angle lenses offer a broader view for you. Ideal replacement for your previous lens of camera. | High quality ABS material shell with smooth surface, durable and corrosion resistant. The lens is made of high quality optical glass, waterproof and scratch resistant, It has a long service life. | Standard M12x0.5 screw connector, suitable for most types of surveillance cameras. This lens is compact Easy installation and remove without affecting the installation and use of other accessories.

2.1mm Focal Length - This camera lens features a 2.1mm focal length to make every detail so clear that no message will be missed, thus preventing danger. | 150° Wide Angle - This IP camera lens supports 150° wide angle, which gives you a full vision. Makes whole situation under control. | 2.5mm F-number High Definition - This IP camera lens adopts high F-number up to 2.5mm to give you a super clear vision. | Precise Compatibility - The M12*0.5 lens is widely suitable for both 1/3'' & 1/4'' CCD chips with no stuck or conflict. | IR Lens - This CCTV lens supports night vision which gives you a 24-hour protection. So reliable.

✅Simple and easy to use, no complicated operation:The passive POE input and output voltages are equal. | ✅Multi-function and wide compatibility:It can convert non-POE devices to enabled POE, and it support 5V, 12V, 24V, 48V. | pre-sales and after-sales service: We are committed to two efforts, one is to improve product quality and your experience, and the other is to improve pre-sales and after-sales service. Customer satisfaction is our pursuit. If you encounter a problem, ✅please us in time, we will solve it as soon as possible! | ✅Work perfectly with the camera:Works with IP security cameras, access points and other devices.POE injector and dispenser kit with 0.22 x 0.08in (5.5 x 2.1 mm) DC jack/plug. | ✅Support long-distance use:It can work 30-40 meters / 100-130 feet (depending on the quality of the cable and the power consumption of the device). | | | | |

☆☆3MP high-definition lens, low distortion, provides high‑definition images, good color reproduction, observe objects more clearly. | ☆☆8‑50mm focal length, can change the shooting range by changing the focal length, helps the picture composition. | ☆☆One zoom lens covers the focal range of a variety of prime lenses, saving time for changing lenses. | ☆☆Made of high-quality aluminum alloy material, strong and durable, the aperture can be fixed and locked, more convenient to use. | ☆☆CS mount, easy to install, high compatibility, can adapt to most security cameras.

Single board lens is high quality lens, which is suitable for most compatible models. | 5MP HD lens, M12 specification, with 35mm Optical focal length, very practical in use. | Made of premium ABS and optical glass material, sturdy and durable, long service life. | Easy to install, no complicated tools required, convenient and easy for you to use. | Professional manufacturing, high precision, strong reliability, making sure safety use.

HD Video balun converts the video into a balanced , and transmit it on a normal Cat-5 unshielded twisted pair cable with a rate. | It can transmit 8 channels of video . 8core Cat5 twisted pair cable simultaneously displays video images, can be used in video surveillance and video conferences. | Compatible with all , HDTVI, HDAHD, supports NTSC, PAL and SECAM video formats; and has a long distance, which can greatly simplify wiring engineering and save wire usage. | Support NTSC, PAL and SECAM video formats. It has 60dB crosstalk and antinoise capability. For 720P CVI cameras, the maximum length is about 450m; for 1080P CVI cameras, 720P/1080P TVI cameras and 1080P AHD cameras, the maximum length is about 250m; for 720P AHD cameras, the maximum length is about 320m. | Excellent anti-interference ability, 60dB anti-interference and anti-noise ability; built-in TVS, can up to 4000V voltage; no power supply, more convenient to use. | | | | |

【Wide applicability】Widely used in professional users, such as banks, cash houses, prison telecommunications stations, plice stations, integrated fire control, anti-return and anti-tail. | 【Excel export function】Normal shifts and multi-shift attendance management. Easy to query and query, report export to excel, editable and printable reports, unlock at a certain time. | 【Fire and alarm linkage function】If not connected to the expansion board, only the software interface will alarm and drive the computer speakers. If connected to the expansion board, it can be alerted by hardware, and if connected to the reinforcement board, it can be safely alerted. | 【Save at high speed】High-speed memory protection measures ensure that they are never recorded when power is lost. Large storage capacity for storing photos and records. | 【Invalid or illegal card swipe warning】Open the door for a long time and unlock the first card to unlock an illegal interruption. Support remote unlocking, offline operation and real-time monitoring. Easy for your security management.

Clear conversion: This audio converter can automatically identify the fiber and coaxial input signals after connecting the power supply. The panel design inputs the audio channel indicator to clearly display the input audio format. | Powerful: This audio decoder can convert optical fiber signals and coaxial digital audio signals into analog audio signal output. Support Dolby AC-3/DTS and so on. Let many families, schools, plazas, concert halls, cinemas and other places enjoy the shock effect brought by DTS or Dolby sound field. | anti-jamming: aluminum alloy shell, black elegant and noble, full of texture, compact size, easy to carry, audio converter anti-interference. The output is for an RCA interface or a 3.5mm headphone audio port for easy installation. | Multi-format audio: The audio decoder converts fiber-optic signals and coaxial digital audio signals into analog audio signal outputs. Supports decoding of audio in multiple formats, such as MP3, AC3, DTS, WAV, WMA, AAC, FLAC, APE, OGG, M4A, M3U8, etc. It supports 5.1-channel two-channel output, which is convenient and fast. | High quality: more durable, gold-plated plug, effective to ensure signal transmission quality and extend the service life, widely used in VGA monitors, TV boxes, power adapters, 5.1 audio, projectors, desktop computers and other electronic equipment.

High-quality materials: Made of high-quality metal materials for durability. Professional manufacturing, high sensitivity and high reliability. Allows you to use it safely and reliably. | 170° Wide Angle CCTV Lens: 170° wide-angle lens allows you to see large areas of the picture and control the overall situation. fixed angle, fixed M12x0.5 thread. 1/3"" and 1/4"" CCD image format. | 1.7mm Focal Length: This board lens is used in fisheye cameras for CCTV cameras. The focal length is about 1.7mm, which can provide you with high-definition picture detail to prevent information loss. | High Compatibilit: This product is suitable for 1/3-inch and 1/4-inch CCD chipsets with a hole diameter of F2.0. For your fisheye camera, you can record videos smoothly to provide clear images. | 5 Million Pixels - This pinhole lens comes with high definition up to 5 million pixels to give you a super clear vision,good color reduction and small distortion.

Classic design: car tape has a retro design and is a good decoration for your car. metal case makes 3.5mm cassette adapter choice for those who take audio seriously. | High quality sound: with 3.5mm audio jack for most mp3, mp4, computer and other playback devices. Seamlessly transmit stereo audio for high-quality sound, letting you listen to music anytime, anywhere! | Convenience: When you have a car with a tape player, your only has a charging port and no 3.5mm auxiliary port. cassette adapter and smartphone to 3.5mm headphone jack adapter will allow you to continue to enjoy music on your phone. , | Compatibility: Support any phone, tablet, MP3 player, car stereo, headphones, Hi-Fi, portable speakers or other devices equipped with a standard 3.5mm audio jack or AUX input port, just adjust audio balance on player Set, you will get a music classic! | Simple operation: our tape is easy to use, plug and play, no external power supply required. When you have a 3.5mm audio jack or AUX input port, you can use it immediately.

【Simple Operation】There are 2 different unlocking methods: Open the door to use ID card and EM card, large user capacity, supporting 1000 card users. Easy to install and operate, based on advanced technology, fast recognition and high sensitivity. | 【Security】Compatible with 1000 user cards, it is more convenient to add/delete users with the administrator card. Anti-vandal, tamper-proof, suitable for installation in different environments. | 【Convenient】The initial setup password is 9999, convenient for using. Access control works with doorbell function, low power consumption. | 【Widely Application】Professional door access control system, fast search speed, widely used in offices, homes, villas, banks, prisons and other places. | 【Durbable】 Made of high quality. Can set up management cards(Deleted card and added card). Has a WG26/34 interface and door bell button, support tamper alarm and data copy function.

High simulation --- Dome shape and flashing LED light make it look very realistic. Fine workmanship, and the working mode is exactly the same as a real monitor. | Red LED light --- Internal red LED light, keeps flashing once every 1 seconds after batteries are installed. | Effective deterrent --- Excellent workmanship, high degree of imitation! Very effective in deterring and deterring thieves or lawbreakers from approaching. | Easy installation --- Cheap and effective way to protect your home. Installs quickly and easily to the ceiling or wall with the included screws. | Wide range of applications --- Applicable to supermarkets, hotels, parking lots, libraries, offices, warehouses, marketplaces, parks, residential areas and etc.

HOLD MANY FINGERPRINTS: Fingerprint scanner can hold 1000 fingerprints, set fingerprints for multiple accounts, set fingerprints for each family member using a separate account, and automatically log in to their own accounts through fingerprints. | 360 DEGREE AUTO CALIBRATION: 360 degree auto calibration and recognition function, press the correctly registered finger at any angle on the module to complete the comparison. | MULTIFUNCTIONAL: Multi functional design, fingerprint collection, fingerprint registration, fingerprint matching and fingerprint search can be done independently. | WIDE APPLICATION: Mini fingerprint reader is used for fingerprint access control machine, fingerprint root search, fingerprint attendance machine, fingerprint storage cabinet, one touch automatic operation, fingerprint printing, fingerprint lock, fingerprint security. | COMPACT STRUCTURE: Computer fingerprint reader is compact, easy to carry and store, low power consumption, universal interface, high reliability and easy to operate.

☆☆Suitable for CCTV cameras, 1.7mm 170° wide angle, not only see more clearly, but also see wider. | ☆☆5MP high-definition pixels, display clear and delicate, can provide high-definition images for your camera. | ☆☆Suitable for both 1/3inch and 1/4inch CCD chipsets, with an aperture of F2.0. | ☆☆Made of high quality metal material,durable in use. Professional manufacturing, high reliability. | ☆☆If you have any questions or suggestions about our products, please feel free to contact us, we will give you a satisfactory answer !

EASY INSTALLATION & MINI SIZE: Compact size and easy installation. BNC male to BNC female with mini cable on both sides. Passive, no power required | WIDE RANGE OF APPLICATION: Ground loop isolator applicable to LED display, motor, audio, photovoltaic, panels, navigators fans, monitoring, industrial power and other equipment | ANTI INTERFERENCE FUNCTION: Eliminates picture tearing, cross talk and rolling Built in video BALUN, perfect to work with DVR to immunity DVR interference, for extra interference rejection Built in TVS for surge protection. No filter ground isolator, suitable for coaxial grounding isolation | WAVE FILTER DESIGN: Anti- Static Design Lightning protection design Grade: III 60 dB crosstalk and noise immunity Exceptional interference rejection. Video signal strength is stronger than filtered | HIGH QUALITY: BNC male to BNC female with mini cable on both sides. Compact size and easy installation. Passive, no power required. Prevents video-signal distortion caused by video ground loops.

Flash of LED light&vibration prompt to reduce the errors of inspection work. Built-in 3.7V rechargeable lithium battery. Waterproof design up to IP65. Fuselage integrated design, strong sealing, can also be normal inspection in rainy days. | StorageUltra-large storage capacity of 80,000 pieces. The storage of 32000 anti-falling records can effectively control the deliberate destruction of the machine by inspectors. | Five-stage lighting mode (strong light, medium light, weak light, flash, SOS rescue). 125 kHz EM ID Card Automatic Sensing without Key-press. | Gold-plated contacts to prevent damage to communication port. Metal shell material structure, shock-proof and fall-proof, durable in use. | Quality service: If you have any questions, please contact us in time, we will give you a satisfactory answer within 24 hours.

This product converts HDM adapter digital audio to VGA audio. External 5V less than 140mA power supply, need external power supply, port power supply, can be connected to more high-power old and affect the sound quality without attenuation. | TV coaxial sound, electronic noise reduction technology + gain technology, to enjoy a hearing. TV fiber optic to audio, TV through the fiber optic interface and 3.5mm interface speaker connection, providing non-electromagnetic noise , and reliable. | With 3.5mm headphone jack output for connecting high-fidelity headphones. The headphones affect the simultaneous use, the dual recording audio is output at the same time, and there is no delay in synchronization. Transfer old amplifiers and stereos, and transfer the old-fashioned amplifiers and stereos to the fiber-optic coaxial interface on the smart TV PS4, HD player, -ray DVD, and network set-top box. | Suitable for portable devices (such as laptops/mobile phones/DVDs/tablets/digital set-top boxes/players/digital cameras/sLR cameras, etc.) and VGA ONLY display devices (displays, projectors, etc.) | The video converter is made of PCB + plastic, new, small size, low power consumption, easy to carry, cost-saving, plug and play. Built-in high-quality chipset supports full-size active HD display with resolutions up to 1920x1080. | | | | |