Liftmaster LMTBUL Monitored Through Beam Photo Eye

Description Liftmaster LMTBUL Monitored Through Beam Photo Eye /w Wider Beam and Heater   Long Range Sensing distance up to 50 ft Meets UL 325 Safety Standards.   UL Listed Tested to the most stringent UL 325 industry guidelines. Secondary entrapment devices need to be added to meet UL325 standards. Your Installer will recommend suitable secondary entrapment devices for your installation, such as photo eyes or edge sensors. Simple Installation Increased beam angle with alignment strength indicator for simple, reliable alignment.  Steel sensor hood and durable polyethylene reflector hood, 10 ft. wire, brackets and mounting hardware included. Easy Use In Most Environments Long range sensing distance up to 50 ft.  Built-In heater for dependable performance in most environments.  NEMA 4X rated for superior weather resistance. Outdoor Rating Nema 4X Heater Thermostatically controlled, NOT recommended for solar applications Cable Length 10 ft. (3 m) Operating Temperature -40 ̊C to