Two-Way Talk Monitor, Voice Doorbell, Two-Way Talk Monitor with 1 Outdoor Unit Button, 1 Indoor Unit, Smart Door Bell, Silver

Smart voice doorbell, talk to the visitor via two-way voice, allowing you to know who is visiting your house, talk to them and let them know I'm coming, please wait.
* Compatible with rechargeable battery, the transmitter Supports 4 AAA batteries which last up to 4 months (4 AAA battery transmitter not included). no obstacles), stable transmission signal to make voice clear.
*Easy to install and use, visitor presses the outdoor doorbell, after receiving the ringtone, you need to press the button once to connect, then long press to talk, release it when finished.
*It is widely used for office and home, to know who is outside and convenient for elderly people who need much more time to open the door, very practical.