Detects for intruders walking through the invisible infrared beams between the two sensors (T for transmitter, R for receiver)

• Ideal for placements on fences, balconies, patios, backyard or pool entries, private entry ways or corridors
• Works with the Smanos K1/K2
• Completely wireless and battery-powered
• Weatherproof design for outdoor use
• Can be up to 6m apart
• Battery life up to 3 years