[ OTDR Fiber Optic Tester ] WANLUTECH OTDR combines necessary fiber optic testing in one handheld device. OTDR test: wavelength 1310nm/1550nm, dynamic range 34dB/34dB. Quick Setup mode: quickly set wavelength, distance range, pulse width and measurement duration; Parameters Set mode: professional technicians can set the wavelength, distance range, pulse width, measurement mode, IOR, non-reflection threshold, end threshold and other parameters before testing, which will get more accurate curve results. As well, it is for maintenance and installation of 4K IP camera, analog camera, HD coaxial (8MP AHD, CVI, TVI) cameras | [ OPM VFL LS OLS Event map ] OPM (Optical Power Meter: Calibrated Wavelength 850/1300/1310/1490/1550/1625nm); VFL (Visual Fault Locator:10mW output power, 650nm wavelength, max test range 8KM); LS (Light Source:mode CW/270 Hz/330 Hz/1 kHz/2 kHz); OLS (Optical Loss Test: It is used to test the insertion loss of optical passive devices); EVENT MAP: Visualise the results of fibre optic link inspections. Save and view the testing curves, support zoom and move curves, view details | [ CCTV Camera Tester & Cable Tester ] It support to test max 4K 12MP IP cameras, support CVBS analog camera test. The IP camera tester supports batch activation of DH, Hik cameras and modification of IP addresses, passwords, etc. Support to test max 8MP AHD/TVI/CVI/CVBS camera. Using "AUTO HD" app can automatically recognize AHD CVI TVI cameras and display resolution and frame rate on the screen, supports UTC control & call OSD menu, menu settings, screenshot, video recording, video playback, etc. RJ45 cable TDR test, test the open and short status of the network cable, test cable length, max test 600M. Support searching for BNC cable, network cable and telephone cable from cluttered cables | [ Network Test Tools & PoE & Wifi Analyzer ] Built-in porfessional network testing tools,such as Ping, IP scan, DHCP server, PPPOE, Trace Route, Port Flash, LLDP, Link Monitor, etc. PoE Detection: measurement POE switch or PSE power supply voltage and cable connection status. Support PoE IEEE802.3af/at , max 48V, power output 30W. Wifi Analyzer, Support 2.4G frequency band, wifi connection, wifi list, wifi information, wifi signal strength detection | [ Multi-function Tester ] More feature: 5.4'' IPS touch screen, 1920x1152 resolution, power management, one gigabit Ethernet 10/100/1000M Port, HDMI in, VGA in, audio in/out, RS485 port, etc. Power output: DC24V/2A, DC12V/3A,DC5V/2A | [ PLEASE NOTE ] There is a paper piece isolating the battery. Before using the tester, open the battery cover and remove the paper sheet. We are the manufacturer. Any questions, please let us know, We'll get back to you within 12 hours