Kerui M9 Wireless Doorbell with F52 Push Button, Operating at over 650 Feet with 32 Chimes, 5 Volume Levels, LED Light Indicator, 1 Receiver & 1 Push Button

Kerui Doorbell - Life happens at the front door

M9 Wireless Doorbell

Features

650-feet range

Memory function

LED light indicator

32 chimes available

5 volume levels adjustable

Fixed-tone buttons available

Double modes power supply

Technical Parameters

Work voltage: USB 5V/3 AAA batteries

Static current: <10uA

Work current: <80mA

Receiving frequency: 433MHz

Distance range: 650 feet (open area)

Size: 129*69*30mm

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