... Polymer Battery 12 hours working time DC12V1A ouput for camera Audio testing:1) 3.5"TFT-LCD, LCD Brightness/Contrast/Color Saturation ... IRE or mVAutomatically identify and adapt the video mode of NTSC and PALColorbar Video signal generator, transmit/receive colorful ... imagesSupport more than twenty kinds of PTZ controller protocols. For example, PELCO-P, PELCO-D, SAMSUNG etc ...