Specification Brand : Gump's grocery BulletPoint1 : Compact construction, sense the presence of an object by using the reflective IR beam from the object. BulletPoint2 : Consists of a phototransistor. BulletPoint3 : Snap-in construction for PCB mounting. BulletPoint4 : Plastic polycarbonate housing construction which prevents crosstalk. BulletPoint5 : Position sensor for shaft encoder. ExternallyAssignedProductIdentifier1 : 0695510004015 ExternallyAssignedProductIdentifier2 : 695510004015 ItemName : Gump's grocery 5PCS TCRT5000L TCRT5000 Reflective Optical Sensor Infrared IR Switch Infrared ItemPackageDimensions_Height : 9.4996 centimeters ItemPackageDimensions_Length : 0.889 centimeters ItemPackageDimensions_Width : 7.0104 centimeters ItemTypeKeyword : electronic-component-photoelectric-sensors Manufacturer : Gump's grocery Material : copper ModelNumber : TG318 PartNumber : TG318 ProductDescription : Features: Compact construction, sense the presence of an object by using the reflective IR beam from the object. Consists of a phototransistor. Snap-in construction for PCB mounting. Plastic polycarbonate housing construction which prevents crosstalk. Position sensor for shaft encoder. Detection of reflective materials such as paper, IBM cards, magnetic tapes, etc. Limit switch foe mechanical motions in VCR. General purpose - wherever the space is limited.