Wireless fire detector with smoke, temperature, and CO sensors. Replaceable battery version, 2 × CR123A battery, Up to 7 years of battery life, included. FireProtect 2 is a next-gen device designed for instant fire detection. The unique smoke chamber does not require regular cleaning, the dual-spectrum sensor distinguishes smoke from steam, the thermistor quickly reacts to the synthetic materials burning, and sophisticated software minimizes false alarms. Everything meets the most modern fire safety standards. Thought-out design, mounting, and the in-app settings make installation straightforward and quick.