Self-powered Bluetooth Wall Switch (Two Button)

Self-powered wireless Bluetooth wall switch for smart lighting control. Requires no wiring, batteries, or external power; it generates energy from each button press and connects via Bluetooth for truly wireless installation. Features: reliable low-energy Bluetooth communication, fits standard wall boxes, fast & easy install (mounts like a regular switch—no electrician required), low maintenance (completely self-powered). Key functions: top key turns the light on; bottom key turns the light off. Binding: bind the switch MAC address (or scan QR code) with compatible sensor or control hub. Dimensions: 4.69 in (119.07 mm) × 2.93 in (74.37 mm) × 0.66 in (16.99 mm).