Wall surface mount hf motion detector steinel 751210 relay white ip54
Fast wide range versatile sensor switch with high frequency technology as the flush mounted version ideal for staircases halls and bathroom as the surface mounted version ideal for staircases cellar and laundry room high frequency detectors emit an imperceptible signal and respond independently of temperature to changes in the echo pattern that occur as a result of movement with a wide angle of detection almost instant response times as well as a range that can be adjusted between 1