Kerui M521 Wireless Doorbell with F52 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

M521 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

F52 Push Button

Features

Waterproof button

One Button transmitter 

Long battery life

Long transmitting distance

Technical parameters

Operating voltage: DC12V

Standby current: ≤5uA

Transmitting current: ≤15mA

Distance range: 650 feet (in the open area)

Battery life: 1 to 2 years

Wireless frequency: 433MHz

Size: 50*50*21mm