Passive infrared outdoor detector. Mounting height: 2.5 - 3m. Spherical fresnel lens. Range of 24m x 2m (20 zones). IP55. Power 9.5 - 18 VDC, consumption 35 mA max. Dimensions: 198 (H) x 93 (W) x 286 (F) mm. Includes mounitng bracket and visor.