Ajax FireProtect 2 RB, wireless fire detector with heat, smoke, and CO sensors, dual-spectrum optical sensor, HazeFlow 2 software algorithm, patented smoke chamber (dustproof), 2x thermistors (class: A1R), chemical sensor detects CO levels with high accuracy for up to 10 years, up to 1700m wireless connection, quick installation and setup, up to 7 years battery life (RB variant), incl., SmartBracket mounting plate, mounting kit, 2x CR123A batteries (pre-installed), quick start guide