Kerui M621 Wireless Doorbell with F561 Push Button, Operating at over 500 Feet with 57 Chimes, 4 Volume Levels, LED Indicator, Memory Function, 1 Plugin Receiver & 1 Push Button Transmitter

Kerui Doorbell - Life happens at the front door

M621 Wireless doorbell

Features

57 chimes available

4 volume levels adjustable

Memory function

LED indicator light

Fixed-chime buttons available

Technical parameters

Working Voltage: 110-240V/50-60Hz AC

Working Power: 0.5W

Receiving Frequency: 433MHz

Distance Range: 500 feet

Maximum Loudness: 100 dB

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