BEA FOCUS Active Infrared Presence Sensors Model:Recessed the large 80mm diameter objective

the large 80mm diameter objective lens can gather light needed for viewing in low-light conditions like dusk or dawn

Six snap front closure

It has a built‑in rain hood and openings at the bottom for moisture drainage

LiftMaster 8550WL

BEA FOCUS Active Infrared Presence Sensors Model:Recessed the large 80mm diameter objectiveBEA FOCUS Infrared Presence Sensors BEAs FOCUS FAMILY consists of focused active infrared based presence sensors designed to effectively detect people and objects. These compact sensors can be used in a variety of applications where space may be limited or additional detection is required to complement pre installed sensors, such as on revolving doors where pinch zone protection is needed. The FOCUS 2 offers the same protection as the FOCUS but can be