DT detector with outside metal enclosure. Reach up to 30m. Three lens options (27m x 15m, 30m x 10m, 38m x 6m). Joint performance of Doppler stereo microwave and passive IR. Controlled by microprocessor. Digital control of sensitivity. Enhanced immunity to birds and pets. Power: 8.5 to 20 VDC. Consumption: 150 mA @ 12 VCDC (LED off). Working temperature -40ºC to + 70Cº). Output relay 0, 1A 50V.