... .Light Sensor (BY-DDG610), car accessory 2.light sensor,auto light sensor,lighting accessory 3.CE certificate 1.Light Sensor ... (BY-DDG610), car accessory2.light sensor,auto light sensor,lighting accessory3.CE certificatespecificationsITEM NO: DG610Product name: ... Mode change It has manual and auto mode switch, you have the choiceMore When you switch off the engine or go somewhere ...