- 2 DOORBELL AND 1 RECEIVER: Doorbell can be used for the front door and the back door, one -click sound, and the corresponding ringtones can be set separately.
- SELF POWERED DOOR BELL: Dingdong doorbell adopts self generating design, built in kinetic energy power generation, no need to worry about batteries.
- LONG RANGE: Self Generating Doorbell is engineered for super penetration, the signal can penetrate 3‑4 walls, and can reach up to 200m in open area.
- LOUD VOLUME: Cordless Doorbell has 38 songs that can be changed at will, with rich and pleasant sound quality, including classic doorbell tones and musical ringtones.
- WIDE USAGES: Waterproof Door Bell can be used in homes, villas, hotels, factories, and can also be used for one key calls for the elderly, patients and pregnant women.
