ANNKE Wireless doorbells are absolute must-haves for today's homeowners. Having an easy installation and durable doorbell when you're engaged in a home improvement project can't be more pleasant. This new wireless battery-free doorbell features a ton of excellent features that makes it the best choice for homeowners who demands the best.

Super Easy Do-It-Yourself Installation
It comes with the doorbell and push button, and you can mount it on your wall in second without single cable needed, totally wiring-free DIY stylish doorbell.

Super 120m Wireless Operating Range
This cutting-edge wireless doorbell provide a 120m operating distance, which makes it flexible to be mounted or placed anywhere around your home and fit in with homes of different size.

Totally Environmentally-Friendly, Totally battery-Free
We utilize the state-of-art technology in this doorbell. The energy converting module inside will change the mechanical energy into electricity. When pressing the button, wireless signal will be sent to the receiver then the bell runs.

Long Service Life
This doorbell is the most convenient to use that blends in with your homes decor and durable enough to be in superior quality after years of use.

Specifications:
Receiver
Power Supply: AC 100-240V
Operation Temperature: -10 °C-40 °C
Working range: 120m (open area)
RF Frequency: 433MHz
Sound Level: 85dBA@3ft (1m)
Power Consumption: ≤280mW
Dimensions: 79*50*64mm
Weight: 75g
Ring Tone: 25 polyphony ring tones

Transmitter
Power Supply: Self-powered
Operation Temperature: -20 °C-50 °C
Operation Forces: Yes
Water Proof: 10N
Dimensions: 79*44*32mm
Weight: 69g

In the box
• 1x Receiver
• 1x Transmitter
• 1x User manual
• 1x Adhesive Tape
• 1x Pack of screws

• IP44 rated, water resistant and weatherproof transmitter works all year round in all conditions 
• Wireless receivers are equipped with blue LED indicators which are synced with the melody you have chosen and flash accordingly when pressed 
• Devices require as little as
• Plug-and-play, devices are factory paired 
• 52 melodies including the popular ding-dong, jingle bells and many more