- 2000M ULTRA LONG CALL DISTANCE: Using professional chips, in flat and open areas, the theoretical call distance can arrive 2000M, making your contact more convenient.
- CONTINUOUS SOLAR CHARGING: Solar energy is continuously charged, and when fully charged, the external unit is used 3 to 5 times a day, with a range of about 12 months. Both the internal and external units are equipped with 1800mAh rechargeable lithium batteries, ensuring long lasting battery life.
- ANTI INTERFERENCE: With 16 separate channel options, it can easily avoid interference.
- 3VOLUME ADJUSTMENT: Elderly people can also hear it, with a maximum volume of no less than 112 decibels. The doorbell can be heard in both the bedroom and kitchen, with 30 built in ringtones and multiple tunes to choose from.
- MULTIPLE SCENES FOR USE: This doorbell is suitable for homes, villas, companies, teahouses, offices, homestays, and other areas.