MODEL HA-20W HA-40W Recommended Protection distance Outdoor 20m 40m Indoor 50m 100m Max. Arrival Distance 200m 400m Infrared Beam 2 beams Detection System Simultaneous Cut-off of 2 Beams Light Source Pulsed Infrared Response Time 50 - 700ms, Adjustable Alarm Output Relay On/Off output, Rating: AC / DC 30V 300mA max Power Supply 10 - 26 DCV or 8 - 18 ACV non polarity Current Consumption TX 7mA 10mA RX 27mA Max. Working Temperature -25 °C - 55 °C Tamper Output NC Contact, Rating: 24Vdc/500mA max. Optical Axis Adjustable Angle (Horizontal) 180° (± 90°) Optical Axis Adjustable Angle (Vertical) 20° (± 10°) Messure for Moisture/Frost/Dew Heating Cover (Optional) Material Polycarbonate (PC) Weight Remarks Black color