AT-FA-CBD109 Conventional Reflective Beam Detector is a non-addressable smoke detector with infrared optical beam, with excellent built-in microprocessor, the detector can carry out system adjustment, drift compensation of ambient data, and judgement of fire and fault through fixed algorithm, indicate states through LEDs, provide signals by output relays. The detector is suitable for various applications including large storage zones, shopping malls, fitness centre, gyms, exhibition halls, hotel lobbies, printing houses, garment factories, museums and prisons. It is also used for those areas with light smoke.