The 771E are self-test photocells designed for Chamberlain & Liftmaster control boards only, most commonly used on the CB11 and CB22 control panels.

Fail-safe two wire system.

Features:

• Mounting Type: Surface Mounted
• Protection Rating: IP44
• Working Temp. (°C Min/Max): -40°C to +60°C
• Current Consumption: max. 20mA 
• Max Range: 10m

We also supply photocell posts, please call for details.