*1.3Mega Pixels, CMOS. *Holder with the automatic power off function. *Super-wide automatically adjusting -focus lens. *USB2.0 ( all digitize) *work in Windows, XP, Vista, win7 Image sensor: 1/4" CMOS Image resolution: 640*480 pixels Lamp: 6PCS White LED (5600K) Visual angle: 70 degree Power supply: DC5V Cable length: 2m 0.45KG/set Box size: 25.6*18*5CM Carton size: 45*31*47 cm 20 sets/carton Gross weight: 10KGS/carton