Shelly BLU Wall Switch 4 light switch Plastic Ivory Control type: Buttons

The Shelly BLU Wall Switch 4 is a compact Bluetooth four-button light switch in ivory plastic designed for flexible use as either a wall-mounted module or a portable standalone controller. It fits standard wall switch frames from Shelly, Legrand (Niloe), Gira, Merten and Busch-Jaeger and allows configuration of up to 16 actions using click combinations. Powered by a CR2032 battery and measuring 46 × 46 × 13 mm, it provides reliable button control for lighting, appliances and scenes.

Advantages

Shelly BLU Wall Switch 4 offers both wall-mounted and standalone operation, compatibility with common European wall frames, Bluetooth connectivity for quick response and easy inclusion, and multi-click capability to trigger up to 16 pre-set actions or scenes. The device uses a CR2032 battery with long life (up to 2 years under typical use) and a compact form factor that makes it suitable for standard installations or portable use.

Suitable for

• Replacing or upgrading standard wall switches in Shelly, Legrand (Niloe), Gira, Merten and Busch-Jaeger frames
• Controlling lights and lighting scenes
• Triggering appliances or smart-home scenes using button combinations
• Portable use where temporary or remote control is needed

Key specifications

• Model: Shelly BLU Wall Switch 4 (Shelly_B_A_WS_4_LS)
• Control: Four physical buttons
• Connectivity: Bluetooth
• Power source: CR2032 battery
• Battery life: Up to 2 years (typical use)
• Dimensions: 46 × 46 × 13 mm
• Material and color: Plastic, ivory
• EAN: 3800235266939

How to use

Install the adapter set to mount the Shelly BLU Wall Switch 4 into a compatible wall frame, preserving the existing frame if desired, or use the device as a standalone portable controller without permanent installation. Pair the switch via Bluetooth with the Shelly app or compatible system, then assign actions or scenes to single, double, triple or long-press combinations according to your needs. Replace the CR2032 battery when the app or device indicates low battery.

Recommendations

For reliable operation, install the device within Bluetooth range of your controlling hub or smartphone and follow the manufacturer’s pairing instructions. Use original CR2032 batteries and monitor battery status through the app to ensure uninterrupted control.