Connection Type: Wireless
Display: None
Alarm: No
Itercom: No
Feature: None
Power: Electric Supply
Item Type: Wireless Doorbell
Brand Name: KERUI
Working voltage: AC 100-220V
Working current: <100mA
Wireless frequency: 433MHz
Wireless distance: 150 meters (open space)
Feature : 32 music options
Function: Doorbell, alarm, welcome multi-purpose
transmitters: Can learn up to 30 transmitters, no loss of power
Suit for : Support 1527/2262 code chip full range of accessories
Volume : Volume 4 adjustable
Specifications: UK,AS,EU