Monitored Through Beam Photo Eyes LMTBU by LiftMaster

The LiftMaster LMTBU Through-Beam Photo Eyes provide reliable entrapment protection for compatible LiftMaster gate operators with burgundy boards. This transmitter/receiver pair meets UL 325-2016 safety requirements and is NEMA 4X rated, offering resistance to water, dirt, and corrosion. Anti-fogging lenses ensure dependable performance even in adverse conditions, while wireless network mode in dual-gate applications eliminates the need for wiring between operators.

With a sensing range of up to 90 feet, the LMTBU delivers powerful detection and features LED indicators to show alignment status, misalignment, or blockage. The solar-optimized design conserves energy by drawing power only when the operator is active.

Product Highlights:

• Part Number: LMTBU

• Sold as a pair (transmitter and receiver)

• Compatible with LiftMaster gate operators with burgundy boards only

• Meets UL 325-2016 standards

• Sensing range: up to 90 feet

• Anti-fogging lens and integrated diagnostics

• LED indicators for instant status feedback

• NEMA 4X rated enclosure for durability

• Solar optimized; powers down when idle

• Includes stainless steel hoods, galvanized mounting brackets, and hardware

• Requires low power on one side of installation

• Dimensions with hood: 4.9" H × 3" W × 3.7" D

• Cable length: 6 ft