No need to run the wire all over the gate to another side any more, just simply connect this device to the gate opener and put reflector to another side. So simple! hen it comes to keeping your automated gate safe Lockmaster Infrared sensor is the way to go. Have peace of mind knowing your family and vehicle will be protected from the occasional mishap that can sometimes occur. One or two carefully placed sensors can keep your automatic gate opener from closing accidentally on a vehicle or more importantly on a person. Having this sensor is more reliable and you don't need to worry about changing batteries. The Lockmaster Infrared sensor can be conveniently powered off any Lockmaster low voltage automatic gate opener. With over a 33-foot range, this sensor can be used on virtually any residential or commercial driveway. Product features: Use as a reversing sensor for automatic garage door, gates, and parking barriers. Protects by sensing for person or vehicle in danger zones. It is very easy to install and use with reliable performance. Heavy Duty steel wrap round mounting bracket. Power and alignment LED indicators. Pre-wired with 2 meter of cable. Normally open and normally closed volt free relay contacts. Power supply: 12 to 24V AC or DC. Protection IP65. Features: - Create an invisible security barriers for driveways, gates or garages - Pre-wired cord with SPDT normally closed and normally open relay outputs - Adjustable sensing distance - Compatible with all Lockmaster gate opener models and other brands Includes mounting brackets and reflector all you need to mount it on.