Wristband CCTV Security Tester with 3.5 Inch Screen (2200mA Battery, Low Power Warning)

Strap this CCTV tester to your wrist and make sure all your cameras are working and performing correctly. Coming with a port and cable to help inspect your CCTV security cameras, this tester is practical for the non-technician as it is not too complicated. This CCTV tester has a 3.5 inch TFT monitor that can help you to set up a CCTV camera or identify/troubleshoot CCTV system problems by displaying real-time video on its display. The power source of this tester is a built-in 18650 battery. There is even a low power warning and has both NTSC and PAL video input.
http://www.plusbuyer.com/wristband-cctv-security-tester-with-35-inch-screen-2200ma-battery-low-power-warning-p-6484.html