Kerui M522 Wireless Doorbell with F51 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

M522 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

F51 Push Button 

Features

Emergency button

One Button transmitter

Panic button for elderly

Technical parameters

Operating voltage: DC12V

Standby current: ≤ 5uA

Transmitting current: ≤ 15mA

Battery life: 1 to 2 years

Wireless frequency: 315MHz/433MHz 

Distance range: 500 feet

Size: 72*45*23mm