Brand KEYES Model N/A Quantity 1 Color Red + white Material FR4 Features Design concept is almost standards; The fool-proofing of port; The cable is specially designed Specification The module with mounting 3mm holes for easy permanent installation; Can use 3~5.5V DC power supply; Function that analog quantity outputs; Good quality photosensitive high sensitivity Application Single chip microprocessor English Manual/Spec Yes download website: http://pan.baidu.com/share/link?shareid=479909&uk=2500272204 Packing List 1 x Photosensitive sensor 1 x Cable (20cm)