Kerui M623 Wireless Doorbell with F561 Push Button, Operating at over 500 Feet with 32 Chimes, 4 Volume Levels, LED Indicator, 1 Plugin Receiver & 1 Push Button

Kerui Doorbell - Life happens at the front door

M623 Wireless Doorbell

Features

500-feet range

Memory function

32 chimes optional

4 volume levels adjustable

Fixed-tone buttons settable

Technical Parameters

Working voltage: 100~240V 50~60Hz AC

Frequency：433MHz

Distance range: 500 feet

Size: 64*36.3mm

F561 Self Power Generation Push Button

Features

500-feet range

Self power generation

Emergency button 

One Button transmitter 

Panic button for elderly 

Technical Parameters

Frequency: 433MHz  

Distance range: 500 feet(open area)

Size: 40.5*16.5*72.5mm