Wireless voice intercom doorbell
1. For your old father and mother care, guard your pregnant wife, love your baby, and friend visiting .
2. Mobile interphone
3. Intercom doorbell, first in the industries
4. Far wireless distance
5. Loud and clear voice
6. Long time working time
7. Indoor-bell no interference each other,
8. Easily installed
9. Adjustable voice volume, and changeable ring type
10. Strong signal for wide range up to 5 floors

Attention:
1. The AAA battery and USB power adapter(5V 1A), we don't provide in package, need to buy separately.
2. The transmitter needs 4 pcs of AAA battery.
3. The receiver need 1 pc of power adapter to get charged (The universary phone power adapter).