Smart knapp Shelly BLU RC Button 4

The Shelly BLU RC Button 4 is a compact smart Bluetooth button designed to simplify control of smart home devices. It operates on BLE (Bluetooth Low Energy) and supports up to 16 actions through single, double, triple and long presses. The device is battery-powered (3V CR2032) with an estimated life of up to 2 years, comes in white plastic with a compact form factor (30 mm width × 13 mm depth × 65 mm height), and includes magnets, two magnetic holders and a 3M adhesive patch for versatile placement.

Advantages

Shelly BLU RC Button 4 offers multi-click action support for flexible control, strong encryption for secure operation, and plug-and-play compatibility with BTHome protocol devices including Home Assistant. Its wire-free design and included mounting accessories make installation fast and reversible, while long battery life reduces maintenance needs.

Suitable for

• Controlling lights and dimmers
• Operating motorized blinds, curtains or roller shutters
• Triggering garage door openers
• Activating scenes (e.g., movie mode, leaving home)
• Portable remote control from pocket or mounted on wall/metal surfaces

Key specifications

• Connectivity: Bluetooth Low Energy (BLE), supports BTHome protocol
• Actions: up to 16 multi-click actions (single, double, triple, long press)
• Battery: 3V CR2032, up to 2 years of battery life
• Security: encryption for secure communication
• Housing: white plastic; dimensions 30 × 13 × 65 mm
• Mounting: built-in magnet, two magnetic holders, 3M adhesive patch included
• Compatibility: Home Assistant and other BTHome-supported systems

How to use

Insert a CR2032 battery and pair the Shelly BLU RC Button 4 with a compatible BLE hub or directly with a BTHome-supporting system such as Home Assistant. Assign actions to each of the four buttons and configure single, double, triple and long press behavior in the controlling app. Mount the button using the included 3M patch, attach it to metal surfaces with the built-in magnet or magnetic holders, or carry it in your pocket for portable control.

Recommendations

Place the Shelly BLU RC Button 4 within Bluetooth range of your hub for reliable operation and avoid exposing the device to prolonged moisture. Use the encryption feature when pairing to maintain security, and test configured click actions after setup to confirm they trigger the intended devices or scenes.