Lamp lights when there is movement in the room and remains lit as long as someone is there. Time lag can be adjusted from 10 seconds to 4 minutes from the most recent movement.
Users comments
Since the existing switch was difficult to reach the user replaced it with a motion detector.
Purchased from
Appliance store, in Sweden for example Clas Ohlson, clasohlson.com (last checked April 2020)
Paid for by
The user
Whose idea
The user