This device has two modes:IP camera (4G) mode and recorder(DV) mode supports DC5V/2A power supply. Yellow light:always bright during charging Blue light:Slow flash—-waiting for connection;fast flash—during connection;always bright—connection success Green light:Slow flash—during recording;fast flash—-does not insert a TF card Restore factory:The green and blue lights are on,then the blue light flashes slowly