Wireless fire detector with smoke, heat and carbon monoxide sensors for indoor use, smoke detection via optical dual-spectrum sensor combined with HazeFlow algorithm to reduce false alarms, heat detection via integrated temperature sensors with alarm triggered by a temperature increase of approx. 10 °C within one minute or when exceeding approx. 64 °C, carbon monoxide detection via integrated chemical CO sensor with alarm triggered at dangerous CO concentrations (from approx. 50 ppm), support for interconnected fire alarms within the Ajax system, wireless communication via Jeweller protocol with a range of up to 1700 m in open space, integrated 85 dB siren and LED status indication, system monitoring with regular status polling and automatic self-diagnostics, pairing and configuration via Ajax Hub using QR code, available as RB version with replaceable batteries or SB version with sealed batteries, indoor use only, scope of delivery (SB version): FireProtect 2 SB (Heat/Smoke/CO) Jeweller, SmartBracket mounting plate, mounting kit, quick start guide.