Infrared Beam Sensor The IR Beam Sensor is an advanced security device designed to detect the interruption of infrared beams, providing reliable detection for perimeter security. Ideal for safeguarding entry points, fences, and outdoor areas, it offers a high level of accuracy and quick response time. The sensor works by emitting and receiving infrared light, triggering an alert whenever the beam is broken. Perfect for residential and commercial applications, the IR Beam Sensor ensures enhanced security and seamless integration with your existing alarm or surveillance system. Rated Voltage : 12~24V AC/DC Wave Lenght : 940nm Detection Range : 20m Infrared Frequancy : 1.92KHz Package Size 10x10x5cm G.W. : 0.180kg