B0177PSQVA KKmoon Analog Video Test, CCTV Tester, 4.3″ TFT LED Portable Network Cable Testing Monitor, CCTV Camera Installation Detection System, Security Tester for Surveillance Audio Video Input with OSD Menu

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?Test Surveillance Camera?This security tester is designed for testing the surveillance camera,only suitable for analog camera test.The security tester can be attached to the surveillance camera in site. Additionally, it could be used as a power supply of 12V temporarily. The wrist strap design is humanized for convenient use.
?PAL/NTSC Standard?The 4.3-inch high-definition high-image resolution monitor can display clear images suitable for any place of use.automatically identify and adapt PAL/NTSC standard.
?Audio and Video Input?Support audio and video input. If there is no video, it would turn to sleep mode after 3 minutes then you can switch in video to wake it up.
?Durable Battery?Built-in 3.7V 2600mAh Lithium battery, the work time can reach almost 8 hours. 12V 0.5A output power, can be used as a power supply for a camera temporarily.
?OSD Menu?multifunctional interfaces and network cable testing capabilities.Adjustable brightness of screen, 5V USB charging and low power warning.