Smart Bluetooth Button with Magnetic Mount

Shelly BLU RC Button 4 is a smart four-button Bluetooth remote controller  that gives you simplified control over your existing automation. With versatile placement options, including integrated magnets and two magnetic holders, you can easily mount it on your existing wall switch, place it in different rooms, or keep it in your pocket. With up to 16 different actions, you can control your lights, appliances, garage doors, and more with simple click combinations.