Size:(16.3CM) and (17CM) Colour:(black) Package Quantity:(2 PAIRS) Material:plastic+metal Features: Balun HD cat5 female to BNC male video baluns+DC 5.5 x 2.1mm female /male jack adapter cable | Video and Power Transmission via UTP CAT5 cable.A Maximum distance length：(CVI/AHD/TVI)(720P 960P:250/820ft(MAX))(1080P 3MP 4MP 5MP 8MP:200 m/656ft(MAX) ) ,B Maximum distance length：(CVBS/Analog)(960H:300m/1,000ft ) | Super Extensive Applications: Support all video devices, such as camera, monitor, DVR card and recorder etc.Compatible with all digital CVI, TVI and AHD Cameras. | Note: Power voltage drop calculations: For 12V DC 1Amp, Cable distance should not exceed 90 feet/27 meters.For longer distances, please use 14V DC, 16V DC,18V DC,20-48V DC .Note:RJ45 video balun is not waterproof. For indoor use only.Make sure the rj45 for camera side and DVR side are the same standardsWrongfully mixing the colors may result in burning the camera and devices. | Power & Video Balun: Gold Plated BNC is provided with better transmission quality and long distance HD transmitter.Note: This product is without the indicator light

CVBS /AHD/TVI/CVI/IP 5-in-1 DVR: With 4 channel 1080N 5-in-1 digital video recorder, which supports TVI/CVI/AHD/Analog/wired IP Camera as well. it doesn't support wireless IP Camera. The XENOCAM DVR system can provide true color high definition HD image. This standalone DVR providing you the chance to take full advantage of your old cameras. | Set up a CCTV surveillance system with this DVR recorder for peace of mind while away from home. Supports up to 4 high resolution TVI/AHD 960P cameras (sold separately). | H.264 Main Profile HD CCTV DVR 4 channel Digital Video Recorder Home Security System dual-stream design, HDMI/ VGA output synchronously. Easy P2P setup in seconds with QR Scan -View Remotely anywhere anytime on your smartphone tablet or PC via Free APP XMEYE.(Download in App Store/Google play). | Recording starts only when movement is detected which helps you save hard drive storage without missing any important events. (HDD Not included,pls buy&install one for recording & playback)

8channel 4-in-1 DVR which supports Analog, HD-TVI, CVI ,AHD Camera. it provides you the flexibility to extend additional cameras.You can add 8pcs 720P or 1080P cameras. | Longer Recording Times Up to 30+ Days Available with Use of Motion Detection | Email Notification & Mobile Push Alerts when Motion Detection,Free Apps for Live View and Playback on Smartphone Devices under Wi-Fi/ 2G/ 3G/ 4G Network | Support USB port Back up , gives you the easiest option of backing up and transferring your video footage to a USB flash drive

BNC male to BNC female with mini cable 25cm on both sides | Passive, no power required | Prevents video-signal distortion caused by video ground loops, Eliminates picture tearing, cross talk and rolling | Prevents power cables laid by others interfering with the CCTV system

【Video & Power Receiver】: Difference from other kinds of CCTV video balun transceiver, this 1 pair video balun is composed of 1x1080P 400M CCTV BNC HD CVI/TVI/AHD/CVBS HD Active Video Balun& Power Receiver and 1x 5MP HD-CVI/TVI/AHD Video Balun Transmitter. Smallest size in Chinese Mainland, BNC male connector, directly connect with DVR, video splitter, Matrix or Monitor. | 【400M-800M Distance】 : Up to 400M, work with Passive video balun, for HD CVI/TVI/AHD Cameras. Up to 800M, work with Passive video balun, for CVBS Cameras. In order to achieve high quality video signal transmission, we recommend you use Standard CAT5e/6 or better UTP cable. | 【Dial Switch】: Transmit PAL/NTSC HD CVI/TVI/AHD/CVBS Video signal via UTP, DC 12V power supply. Use Dial Switch to control contrast, use Knob switch to adjust brightness, use press Terminal block (screwless), easy to install. | 【Video Format】: These video balun support NTSC, PAL HD CVI/TVI/AHD/CVBS video signal. LED indicate Power (Blue Light), Signal (Green Light). Lightning proof, common-mode anti interference function. High cost performance ratio! | 【What You Get】: 1x 1080P 400M CCTV BNC HD CVI/TVI/AHD/CVBS HD Active Video Balun& Power Receiver and 1x 5MP HD-CVI/TVI/AHD Video Balun Transmitter. +Installation Specification+1 Year Friendly of Warranty Service.