Feature: 1. [Compatible Brands] The safety sensor kit is compatible with most garage door openers on the market, such as for liftmaster, for chamberlain, for sears, for raynor, for craftsman. 2. [Professional Substitute] Our infrared safety sensor kit could perfectly replace 041 0136, G801 CBP. 2610459, 012381050345, s5 041a5034, 041a5034. 3. [High Safety] When there are people or objects in the garage door, the unseen light emitted by the safety sensor is blocked, and the garage door cannot be closed at this time, so as to protect human or property safety. 4. [Easy to Install] The sensor is compact and convenient in design, with installation manual and fixing bolts required, you can complete the installation manually. 5. [Reliable Material] The main body is made of excellent ABS material, with high strength, not easy to damage, with lasting durability. Specification: Item Type: Garage Door Safety Sensor Material: ABS Working Voltage: DC5-6V. Package List: 1 x Transmitter1 x Receiver4 x Wiring Terminal2 x Screw2 x Nut1 x User Manual