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

Features:
1. This device comply with rulers and regulations related to FCC, CE, CCC
2. Outdoor-bell is power supplied by 4pcs alkaline battery, easy to replace the battery, indoor-bell is power supplied by rechargeable Li-ion battery.
3. Low power consumption, long standby time for outdoor-bell up to six months
4. Big and adjustable speaker, clear voice, can be used as mobile interphone.
5. Long wireless distance up to 300M
6. Easily installed with 3M tape on the wall
7. Outdoor-bell pair with indoor-bell by learning its code, 1 outdoor-bell can paired with N indoor-bells and no interference each other.
8. Small and beautiful, size: 100*60*14.8mm

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