Infrared wireless external motion detector by OPTEX with Antimasking. Creates 180 degree detection angle via 2x dual pyroelectric elements (equivalent to two VXS devices installed next to each other). 12m range, 12 coverage zones, separate distance and sensitivity adjustment for each 90 degree area. It is placed at a height of 0.8-1.2m. Detection speed: 0.3~2m/sec. Sensitivity: 2ºC@0.6m/sec. It has distance adjustment levels, SMDA logic to avoid false alarms, automatic temperature control circuit, NO/NC. It has 2 alarm outputs, one for each area. Operating voltage: 3-3.6VDC (lithium batteries). Consumption: 15mA (standby), IP 55. Operating temperature: -30ºC +60ºC. Dimensions: 81.5 x 200 x 119.2mm