Smart Doorbell Alarm
Digital Welcome Chime
Ring Bell
Modern Contemporary Home Design
Security Surveillance
32 songs optional
Doorbell, alarm, welcome multi-purpose
Can learn up to 30 transmitters, no loss of power
Support 1527/2262 code chip
Volume 4 adjustable
Support multiple doorbell transmitter
Suitable for large house
Waterproof
Wireless/WiFi
Electric Supply
White
4 levels adjustable
USB charging Or 2pcs AAA battery(Not included)
150M (open area)
1pcs 12V 23A battery(Not included)
