The Ajax Systems Protect 2 standalone temperature detector detects high temperatures and rapid temperature rises, providing audible and visual alerts. The built-in siren is activated when the temperature exceeds 64 °C or rises by more than 10 °C in 1 minute or less. It can operate standalone, without a Hub, or as part of an Ajax security system.

• Detector type: Temperature
• Operation: Standalone and via an Ajax system
• Connection type: Wireless
• Use: Indoor
• Alarm type: Audible and visual
• Siren volume: 85 dB at a distance of 3 m
• Transmitter power: 20 mW
• Maximum distance from the Hub: Up to 1,700 m in an open area
• Communication protocol: Jeweller (868.0–868.6 MHz)
• Tamper protection: Yes
• Protection against authentication spoofing: Yes
• Batteries: 2 × CR123A, replaceable
• Battery life: Up to 7 years
• Operating temperature range: From 0 °C to +50 °C
• Operating humidity: Up to 80%
• Dimensions: 124 × 124 × 45 mm
• Colour: Black
• Fire safety standard: EN 14604:2005/AC:2008 Qmark
• Compatibility: Hub Plus, Hub 2 (2G), Hub 2 (4G), Hub 2 Plus, Hub Hybrid (2G), Hub Hybrid (4G), ReX, ReX 2 and Ajax accessories