The Watchguard 2020™ ALC-BEAM1 wireless infrared multi-beam sensor detects intrusion by creating a curtain of 4 x invisible infrared beams. It is ideal for use indoors or outdoors, on fences, balconies, garage doors and more.
• Maximum detection range up to 6m
• Wireless frequency: 433.92MHz (±75KHz)
• Wireless transmission distance to WG2020 alarm up to 80m
• IP66 weather resistant & UV-resistant polycarbonate body for outdoor use
• Completely wireless: Battery standby life up to 3 years