Ajax FireProtect 2 RB Wireless Smoke & Heat Detector, Dual-Spectrum Optical + Thermistor, 85 dB, CR123A (FIREPROTECT2/RB(WHITE)) Default:- or a shallower 220mm depth

or a shallower 220mm depth with space for protruding connectors in front

digital WDR

Customisable standby period

floor or floor‑to‑ceiling installations where wall mounting is not suitable

Knightsbridge's latest innovation is the wattage and colour-adjustable LED gear trays

Ajax FireProtect 2 RB Wireless Smoke & Heat Detector, Dual-Spectrum Optical + Thermistor, 85 dB, CR123A (FIREPROTECT2/RB(WHITE)) Default:- or a shallower 220mm depthAjax FireProtect 2 RB is a wireless combined smoke and temperature detector for indoor use. It uses a dualspectrum optical smoke sensor and thermistors to detect both smouldering and fastflame fires. The RB variant uses replaceable CR123A batteries and can operate standalone (builtin siren) or as part of an Ajax security system via the Jeweller radio protocol. Dualspectrum (visible + IR) optical smoke sensor for improved falsealarm rejection.