Outdoor PIR wireless detector with antimasking technology. Mounting height: 2.5 - 3m. Spherical fresnel lens. Range of 12m with an angle of 85º (94 zones). IP55. Power 2.5-9 VDC, lithium batteries 3 - 7.2VDC (not included), consumption 4 mA max to 3VDC. Dimensions: 198 (H) x 80 (W) x 82 (F) mm. Includes mounting bracket, visor and battery box, facilitating battery sharing with the transmitter.