Passive infrared outdoor detector. Spherical fresnel lens. Range: 24 x 2.3 m (12m on each side) 4 zones. Two beams to regulate coverage. Sensitivity: 1.6º C at 0.6 m / sec. Optional alarm indicator. 3 levels of sensitivity. Internal alarm buzzer. Rejection light: H4 60W to 2.4 m white (50,000 Lx). Compensation of temperature. Alarm output: NC, NA. Pulse counter: 2. RFI protection (20 V / m from 100MHz to 1 GHz). IP55. Power 10 - 28 VDC, consumption 38 mA max.