1) Portable cctv tester monitor 2) Power-saving, Charging for camer 3) DC12V output 4) Video, audio and power supply 5) OEM 1) Portable tester with3.5 inch TFT display(video input and out put)2) Auto identity NTSC/PA3) Power-saving mode can display in a standby state4) Small appearance, highly integrated and practical5) Audio test function, built-in 0.5 speaker, support for audio input / output6) ...