Wireless carbon monoxide detector for indoor use, CO detection via integrated chemical sensor with high accuracy and up to 10-year service life, alarm triggered at dangerous CO concentration levels starting 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, RB version with replaceable batteries, indoor use only, scope of delivery: FireProtect 2 RB (CO) Jeweller, SmartBracket mounting plate, mounting kit, 2 × CR123A battery (pre-installed), quick start guide.