GF-808 Wired Non-visual Single-family Intercom Doorbell % Phone Holders Bending-resistant design

Bending-resistant design

taking into account the quality and appearance

with card slot and bracket

Its so easy to use

GF-808 Wired Non-visual Single-family Intercom Doorbell % Phone Holders Bending-resistant designFunctions: 1. Two way intercom and unlock function. 2. Two core wire connection, four core wire connection with unlock. 3. The door machine is surface mounted design and easy to install. 4. Using new ABS plastic, durable. 5. There is an excellent side tone cancellation circuit, and the intercom sound is clear. 6. Effective intercom distance is more than 100 meters. 7. Easy installation, users can install it by themselves. Power parameters: 1. Audio