Feature:1. High Efficiency: The infrared beam sensor uses single beam infrared sensor technology to ensure highly accurate detection and tracking capabilities, providing excellent security protection.2. Enhanced Security: The door infrared beam sensor has reliable infrared detection and response speed, effective identification of intrusion behavior, improving the protection level of the security system.3. Multiple Purpose: The infrared gate sensor is suitable for home and business places, such as doors and windows, entrances, garages, warehouses, etc., to provide you with a comprehensive security solution.4. Durable Material: Door window infrared beam sensor is made of premium material, durable and reliable, high strength and wear resistant, having a long service time.5. Easy to Install: IR gate opener sensor has a simple installation, convenient and time saving, don't need too much tools or complicated steps.Specification:Item Type: Infrared Beam SensorMaterial: PlasticSize: Approx. 96 x 43 x 22mm/3.7 x 1.7 x 0.9inTransmitter: Input Voltage: 12-24V AC/DC, Working Current: 20mAReceiver: Input Voltage: 12-24V AC/DC, Working Current: 32mA.Package List:1 xTransmitter1 x Receiver2 x Double Faced Adhesive Tape6 x Screw4 x Expansion Screw1 x English Instruction