... ~120degree Video format output,MJPEG+ADPCM External connecter,USB,SD Card, power interface Power supply,3.6V-5V,100MA Power consumption, Data ... compression storage:support MJPEG+ADPCM video/audio output TF/SD card memory: support 8G maximum TF\SD. 2. Auto circulatory video ... read the contents inside. 8.The scene replay , TF\SD card scene replay 9.Protection function when power failure, Stable screen ...