Features and Benefits:
Range Finder Type; A certain way to detect entry as the system measures the distance to the pyramidical reflector
Bad Environment Proof; Microwaves will penetrate any dirt and layers of build-up on the antenna and reflector, furthermore they will not be affected by adverse environmental conditions such as rain, fog, snow, dust, steam and vapor.
Easy Beam Alignment; Transmitting/receiving beam is conical-shaped making for easy beam alignment. No need to worry about beam slippage-caused malfunction.
No Interference Between Sets; Multiple Micro-Guards can be placed in close proximity to each other)
Great for Outdoors
Cost Effective