With this Calex Smart motion sensor you feel even safer at home. By adding this product to your security system, you are always aware of movements in the house. The motion detector informs you when someone leaves or enters a room and has a viewing angle of 110 degrees. Use the smart motion sensor also when you want to switch other devices on or off, for example when you enter or leave a room. The wireless movement sensor has several handy options that you can connect with other devices from the Calex Smart Home series. The motion sensor works with a rechargeable battery.