Shelly BLUWallSwitch4SA BLU Button 4 Bluetooth Switch

The Shelly BLU Button 4 (model BLUWallSwitch4SA) is a versatile Bluetooth 5.4 wireless switch that lets you control your smart home with ease. With four customizable buttons, you can configure up to 16 different actions – from turning lights on and off to activating complex scenes. The switch works seamlessly with the Shelly app and Home Assistant, and supports BTHome for instant integration.

• 4 programmable buttons for up to 16 actions via single, double, long, and short presses
• Bluetooth 5.4 technology for stable connection up to 30 m outdoors
• Battery powered (CR2032 included) with up to 2 years of life
• Two mounting options: wall-mounted using existing frames or portable use
• Compatible with Shelly, Home Assistant, and any BTHome-enabled system

This sleek beige switch blends with frames from Legrand, Gira, Merten, and Busch-Jaeger, adding elegance to any room. The package includes the switch, a 3V battery, and a 3M adhesive patch for easy placement.