- Low Battery Reminder: When the battery is low, the red LED on the transmitter side will flash and the receiver buzzer will sound every second to remind you to replace the battery.
- WIDE APPLICATIONS: Provides an infrared beam for automated applications such as sliding and swinging doors, garage doors, security applications, and outdoor or indoor fencing.
- HIGH SENSITIVITY: Lens-type optics enhance beam and are highly resistant to false alarms caused by rain, snow, fog, etc., which is very convenient.
- Waterproof protection: The infrared gate beam sensor is IP55 waterproof, can be installed indoors or outdoors, is small and easy to install, and does not affect the normal function of the device.
- DURABLE CONSTRUCTION: The infrared gate beam detector is made of superior ABS, which is durable. The transmitter is powered by 2 AA batteries (not included).