Launch our Cool Free App!
Get $3 Off 1st Order.
1. 32 songs optional, avoid the same ring with your friends.
2. Doorbell, alarm, welcome multi-purpose.
3. Can recognize up to 30 transmitters without loss of power.
4. Volume 4 is adjustable (can't adjust the volume at alarm mode and welcome mode).
5. Support multiple doorbell sensor, suitable for a large home.