Smoke detector by infrared rays barrier with an adjustable range from 5 to 120 m. Includes transmitter, receiver and control unit. Possiblilty of connecting and additional transmitter or receiver. Auto-adjustable alignment. Programable sensitivity.IP54. Requires external power supply (12 to 24VDC) consumption14 mA. Working temperature: -20ºC to 55ºC. Certified: CE, VDS and CPR (EN54 part 12).