1、APPLICATION: Suitable for Liftmaster, for Chamberlain, for Sears, for Raynor, for Craftsman garage door opener, replacement for 041-0136, G801-CBP, 2610459, 012381050345, S5-041A5034, 41A5034. 2、WITH BRACKETS: The garage door opener sensor comes with dedicated fixing brackets to ensure structural stability and ease of installation and replacement. 3、PRINCIPLE: This sensor connects the left and right ends of the garage door. When there are people or objects, the light is blocked and the door cannot be closed. 4、DUAL SENSORS: Including 2 sensors, the yellow light is the sending sensor, and the green light is the receiving sensor, with high accuracy and sensitivity. 5、ABS MATERIAL: The main body of the safety sensor is made of ABS material, which is lightweight and durable, resistant to corrosion and wear, has a long service life.