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 with 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.
1.This device comply with rulers and regulations related to FCC, CE.
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 200M
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 1 indoor-bell support up to 3 outdoor-bells, no interference with each other.
8. Small and beautiful