Kerui M622 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

M622 Wireless Doorbell

Features

500-feet range

Memory function

32 chimes available

4 volume levels adjustable

Fixed-tone buttons available

Technical Parameters

Power: 100~240V 50~60Hz AC

Frequency: 433MHz

Distance range: 500 feet

Size: 96*68*32mm

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