Steinel is 240 duo motion detector black
Infrared wall sensor ideal for surveillance of large house fronts as well as corners outsidesteinel quality is 240 duo motion detector up to date sensor technology which when mounted on outside corners makes surveillance of two house walls possible a second sensor is therefore not needed two highly sensitive detectors arranged next to each other at a special angle allow reliable surveillance of large areas up to 230 m when mounted on outside corners surveillance of two house walls is pos