image sensor:1/4 CMOSimage resolution:1280*960,640*480,320*240Video output:USB2.0(all digitize)Lamp:4pcs white LED(5600k)Ultraviolet:2pc ultraviolet radiation LED (365mm)Accumulation point:5mm-50mmPhotographing visual angle:70 degreeHandpiece weight:34gInput power:DC5V 300mA(provided by computer directly)USB cable length:3M(5m option)