The SPW-220-BL small indoor siren with optical and acoustical signaling is designed for operation in the intruder alarm systems. Optical signaling source are LEDs, and acoustical signaling is generating by piezo transducer.

High-impact polycarbonate enclosure, featuring a very high mechanical strength and guarantees aesthetic appearance of siren even after many years of using. Construction enables high level of tamper protection (against opening and removing from mounting surface).