Portable 3.5" CCTV Camera Tester TFT LCD Monitor,12V Power Output   Description： ●Portable tester with3.5 inch TFT display(video input and out put) ●Auto identity NTSC/PAL ●Power-saving mode can display in a standby state ●Small appearance, highly integrated and practical ●1W louder speaker inside, support audio input and out put ●Support DC12V/350mA ●Automatic charging function ●Power supply: Battery-powered, computer USB port power supply, adapter power supply   Specification： Input voltage 5V±10% 2A (electric current) Battery DC3.7V（2200mAh） (Rechargeable lithium battery) Video signal formats NTSC/PAL  (auto-identity) Video output mode 1.0Vp-p  (Full) Louder speaker 8Ω/1w Charge time (4-5hours) Power output 12V/350mA Working temperature -20℃～+60℃ Packing dimention L194mm*W151mm*H83mm