The Ajax Systems Protect 2 standalone temperature detector detects high temperatures, sudden temperature rises, and carbon monoxide. Its built-in siren alerts you with sound and light, while the device can operate independently or as part of the Ajax security system, without a Hub.

• Type: Wireless heat and carbon monoxide detector
• Use: Indoor
• Alarm: Sound and light
• Siren volume: 85 dB at a distance of 3 m
• High-temperature alert: Above 64 °C
• Rapid temperature-rise alert: An increase of more than 10 °C in 1 minute or less
• CO alarm thresholds: Above 50 ppm for up to 90 minutes, above 100 ppm for up to 40 minutes, and above 300 ppm for up to 3 minutes
• Communication protocol: Jeweller (868.0–868.6 MHz)
• Transmission power: 20 mW
• Maximum distance from the Hub: Up to 1,700 m in an open area
• Tamper alarm: Yes
• Authentication protection: Protection against device authentication spoofing
• 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
• Battery replacement: The battery is non-replaceable; the device must be replaced when the battery reaches the end of its service life
• Operating temperature: From 0 °C to +50 °C
• Operating humidity: Up to 80%
• Fire safety standards: EN 54-5:2017+A1:2018, EN 50291-1:2018
• Dimensions: 43.5 × 86 × 86 mm
• Weight: 145 g
• Color: Black