Does what it's supposed to where you want it to.
Precisely adjustable detection zone. Does not respond to passing cars or the neighbours but only when someone enters your own property. Innovative iHF 3D technology permits exact adjustment of the detection zone in all directions. Walking direction is immaterial: no matter whether the sensor is approached from the side or directly from the front – within the detection zone, the iHF 3D reliably detects any movement.
Here are number of examples showing how the detection zone can be adjusted to suit individual needs: