Protect your doors or windows with this dual beam infrared detector. It's housed in a strong aluminium case and is suitable for outdoor use in protected environments. The detector will sound an internal buzzer and energise a relay when the beam is broken or tampering is detected. Mounting hardware included. *Unit does not come with power supply* Specifications: • Indoor sensing range 16m, 8m outdoors • 10 - 30 VDC powered • Length 570mm