Universal control without drilling – You can use the Shelly BLU Button 4 as a wall switch or as a portable button. Compatibility with frames from SHELLY, LEGRAND, GIRA, MERTEN, and BUSCH-JAEGER ensures a clean look and easy integration into your interior. With up to 16 action combinations (click, double-click, long press, etc.), you get maximum flexibility in managing your smart home.

Modern Bluetooth and long endurance – reliable Bluetooth connection with a range of up to 10 m indoors and 30 m outdoors allows convenient device control from anywhere in the room. Powered by a CR2032 battery lasting up to 2 years. A practical alert mode beeps every 8 seconds to indicate activation. A 3M self-adhesive pad is included for easy placement.

Smart compatibility and security – ready for Home Assistant and devices using the BTHome protocol. Advanced AES (CCM) encryption protects communication. Its elegant, durable design and low weight make it an ideal addition to any smart home.

• 4 programmable buttons for lights, dimming, and scenes
• Easy installation – wall-mounted or portable option
• Stable Bluetooth connectivity and low power consumption
• Compact dimensions 46 × 46 × 13 mm, weight only 17 g

Package includes: four-button switch, 3V CR2032 battery, 3M self-adhesive pad.