The Ajax Systems Fire Protect 2 SB wireless detector detects smoke, heat and carbon monoxide indoors. It features a built-in siren for audible and visual alerts and can operate independently, without a Hub, or as part of an Ajax security system. Its built-in battery lasts up to 10 years and is non-replaceable; when it reaches the end of its service life, the entire device must be replaced.

• Type: Wireless smoke, heat and carbon monoxide detector
• Use: Indoor
• Alarm type: Audible and visual
• Siren volume: 85 dB at a distance of 3 m
• Wireless transmission power: 20 mW
• Communication protocol: Jeweller (868.0–868.6 MHz)
• Maximum distance from the Hub: Up to 1,700 m in an open area
• Tamper alarm: Available
• High-temperature alarm: At temperatures above 64 °C
• Rapid temperature-rise alarm: When the temperature rises by more than 10 °C in 1 minute or less
• Carbon monoxide alarm: For a concentration of 50 ppm (0.005%) within up to 90 minutes, 100 ppm (0.01%) within up to 40 minutes, or 300 ppm (0.03%) within up to 3 minutes
• Protection: Against device authentication spoofing
• Fire safety standards: EN 14604:2005/AC:2008/EN 50291-1:2018/Qmark
• Compatibility: Hub Plus, Hub 2 (2G), Hub 2 (4G), Hub 2 Plus, Hub Hybrid (2G), Hub Hybrid (4G), ReX, ReX 2 and all Ajax peripherals
• Battery life: Up to 10 years
• Operating temperature: From 0 °C to +50 °C
• Operating humidity: Up to 80%
• Dimensions: 124 × 124 × 45 mm
• Colour: Black