A4Tech PK-750MJ. Megapixel: 0.3 MP, Maximum video resolution: 640 x 480 pixels, Maximum frame rate: 30 fps. Maximum image resolution: 640 x 480 pixels, Maximum interpolated image resolution: 5 MP. Sensor type: CMOS, Optical sensor size: 1/0.157 mm (1/4 "). Focal length range (f-f): 5.5 mm, Normal focusing range: 0.010 - ∞. Interface: USB 2.0, Colour of product: Black, Grey, White balance: Auto