- 1. Specifications: 1 sensor doorbell (without battery)
- 2. Material: The product is made of plastic, not easy to deform, long service life
- 3. Long detection distance: optical control distance 4-8 meters. The bells are triggered by detecting the movements of passing tourists.
- 4. Music tone :32 different melodies to choose from, selector switch to select vocals or different music/sounds, music selection button to change music/sounds.
- 5. Application scenario: Suitable for residential buildings, multi-storey buildings, multi-storey apartments, shops, office buildings, factories, etc.
