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
Below accessory is not included in the package, customer need to buy separately by himself:
1. 5V 1A USB power adaptor 1pcs.
2. AAA battery 4pcs.