This is a wireless doorbell coming with a rectangular black-toned appearance. It features a self-powered remote-controlled button for saving your costs of changing batteries. This nimble doorbell allows an up to 280 meters remote control distance.
- No batteries, no pollution.
- 20 years service life.
- Never need to change batteries.
- Remote control distance up to 280 meters.
- Passes through walls, doors and floors.