Description

For Chamberlain Replacement Safety Sensors for Garage Door Opener 820CB

The replacement safety sensors project an invisible light beam across the inside of the garage door to prevent accidents and are required for safe use of all garage door openers. Whenever there is an obstruction, the garage door will automatiy reverse before causing any damage. these sensors replace defective or damaged sensors for every garage door opener manufactured after1997.

Compatible with sensor 820cb

For use with every Cham garage door

Use: replacement for damaged sensors

Easy installation

Enhanced trouble shooting, most intuitive safety reversing sensors

Low profile reduces risk of being knocked out of alignment

2-sensors, 18 in. of extension wire, instruction manual

Package Includes：

Instruction Manual*1

Transmitting sensor*1（with amber LED）

Receiving sensor*1 (with Green LED)

Wing nut*2

1/4-20″ round head bolt

Wire connector*5

820CB Safety Sensor Kit Replacement for Garage Door Sensor, Compatible with Garage Door openers Made After 1997, Item Includes Two Sensors (Receiving&Sending)