Garage Door Sensor Compatible with Lift master Chamberlain Sears Craftsman Garage Door Opener Made After 1997, 41A5034 G801CB-P Garage Door Safety Sensor Kit with 2 Mounting Brackets bts8888 Instruction x1

Instruction x1

including CO2 and argon

Smooth surface will not scratch or damage your items

Usually it takes less than 24 hours to expand

Garage Door Sensor Compatible with Lift master Chamberlain Sears Craftsman Garage Door Opener Made After 1997, 41A5034 G801CB-P Garage Door Safety Sensor Kit with 2 Mounting Brackets bts8888 Instruction x1Important Installation Notes: 1. The maximum distance between the two sensors is 15m. 2. The garage door sensors must be installed within 6 inches (15 cm) of the floor, properly aligned, and directly facing each other with no obstructions. 3. Both LEDs (green yellow) must remain solid after installation. If blinking or off, please check alignment, wiring, or power supply. Detailed troubleshooting steps are provided on the product page. If you have any