Shelly Plug & Play "BLU Wall" Switch 4 Adapter Legrand & Wei

• Uses BLE technology (Bluetooth-operated) • 2 years battery life • Encryption (high level of security) • Supports multi-click - single, double, triple, and long press (16 actions in total) • Beacon mode - If enabled, the device will emit beacons every 8 seconds • 3M patch included in the box • Compact size, portability, and ease of use • Full compatibility with Home Assistant and any other device which is supported by BTHome protocol (out of the box)