LiftMaster LMHS24W Plain White 2-Wire, Horn Strobe, 12/24VDC

The LiftMaster Plain White 2-Wire Horn Strobe (12/24VDC) is a versatile and dependable alert device designed to enhance safety and emergency communication in any facility. With its dual-voltage capability and adjustable candela settings, this horn strobe delivers both powerful audio and highly visible visual alerts to meet a wide range of security needs.

Featuring a field-selectable candela range from 15 to 185 and an 88+ dBA horn output at 16V, this unit ensures clear and effective notifications in noisy or busy environments. The horn tone and volume can be adjusted for maximum flexibility.

Designed for indoor wall mounting, the horn strobe combines a compact, space-efficient design with durable performance. It meets ADA requirements and integrates seamlessly with LiftMaster security and access systems.

With its regulated voltage operation and wide environmental tolerance, this horn strobe is built for reliable performance in commercial, institutional, and residential applications.

Key Features

• Dual-voltage operation: 12 VDC (15 candela) or 24 VDC (30 candela)

• Field-selectable candela: Adjustable from 15 to 185 candela

• High-output horn: 88+ dBA at 16V with 2 volume settings & tone adjustment

• Strobe flash rate: 1 flash per second for clear visual alerting

• Compact indoor design: Easy wall-mount installation

• Operating conditions: 32°F to 120°F, 10–93% humidity non-condensing

• Regulated voltage: Stable operation across 8–17.5V (12V) or 16–33V (24V) ranges

• Dimensions (with lens): 5.6" L x 3.46" W x 1.91" D

• Dimensions (horn only): 5.6" L x 3.46" W x 1.25" D

Applications

• Commercial buildings

• Institutional facilities (schools, hospitals, government)

• Residential security systems

• Business access control