Wireless Infrared Gate Beam Sensor Anti Theft Alarm IP55 Waterproof for Station Automatic Door Durable High Structure Sensitivity Suitable for Garage or Company

• HIGH SENSITIVITY: The lens type optical eleme strengthens the beam intensi, has good immunity to false alarms caused by rain, snow, fog, etc., highly convenient to use.
• LOW BATTERY REMINDER: When the sensor battery is low, the red LED on the transmitter side will flash, and the receiver's buzzer will sound every second to remind you to replace the battery in time.
• WIDE APPLICATIONS: Provides infrared beams for automation applications such as sliding and swinging doors, garage doors and security applications, outdoor or indoor fencing, etc.
• WATERPROOF DESIGN: Infrared gate beam sensor is IP55 waterproof, can be installed indoors or outdoors, small size, easy to install, does not affect the normal function of your device.
• DURABLE STRUCTURE: Infrared gate beam detector is made from superior ABS, and durable, the transmitter is powered by 2PCS AA batteries (not included), and the long life can reac about 2 years.

How to Use: 1. The transmitter and receiver are installed at a distance of 30 cm from the ground, and they are on the same level. 2. Align the beam, after the receiver is powered on, when it receives the signal from the transmitter, the buzzer will beep for 5 seconds, and the blue LED light will flash, then the light will turn on. Specification: Item Type: Infrared Gate Beam Sensor Material: ABS Application: Home security, access control system Working Voltage: Receiver: 12-24VDC Transmitter: 3V (2PCS AA battery, NOT included) Installation Environment: Indoor, outdoor Detection Distance: Approx. 15m / 16.4yd Alarm Time: 1s, 5s, 10s adjustable Alarm Output: Relay contact output NC, NO Contact Capacity: 30V DC 3A maximum 250V AC 3A maximum Battery Life: About 2 years Wavelength: 940nm Modulation Frequency: Pulse Waterproof Grade: IP55 Single Product Size: Approx. 136x54x32mm/5.4x2.1x1.3in Package List: 1 x Transmitter 1 x Receiver 4 x Screw 4 x Expansion Tube 1 x Manual