Safety / By-alarm Plus / Surface mounting components / Non-modular components
By-alarm Plus outdoor siren
By-alarm Plus self-powered outdoor siren, can be connected to any burglar alarm system control unit, 2 piezoelectric speakers, LED alarm signalling, 13.8 VDC power supply, surface mounting. Buffer battery not included. Spirit level for easy installation, system status LED, anti-tamper, anti-removal and anti-foam protection, 2 programmable sounds, 2 programmable timers