Origin: CN(Origin)
Itercom: No
Connection Type: Wireless
Alarm: Yes
Power: Dry battery
Feature: None
Display: None
Item Type: Wireless Doorbell
Wireless frequency: 433Mhz
Wireless distance: 150Meters (in open area)
Doorbell Music: 32 Songs
Doorbell Volume: 4 Levels
Different modes: Doorbell /Welcome /Alam mode
