Bộ Chuông Cửa Không Dây Chống Nước 58 Bài Hát

Package Included:
Package list:
Indoor receiver*1,Outdoor transmitter*1,English user manual*1,Double-sided adhesive tape*1
Specifications:
Product Details:
Size as below
Working Frequency: 443MHz
Transmitter no power needed
Transmitter Power Consumption: ≤10mw
Receiver Working Voltage: AC(110-220)V/(50-60)Hz
Sound Volume Range: 25-85dB
Material: ABS
Net Weight: 138g
Transmitter size: 70mmx42mmx21mm
Receiver size: 90mmx69mmx60mm
Description:
Features:
1.Easy To Install:Self Power Wireless Doorbell Kinetic Door bell as a transmitter, using 3M Sticker or screws, and totally no wire, self-powered, easy to install anywhere you want.
2.Easy to Pair and connect:PAIRS & CONNECTS easily,  just single press, synchronize and pair.
3.Strong Signals for a wide range coverage:This doorbell can extend over 500 feet / 150 meters in open areas and has been proven to work THROUGH DOORS & WALLS.Wireless doorbell can be applied to apartment, villa,shop, hotel,home, office building,meeting room etc .
4.Versatile applications:Great for large homes, apartments, offices & warehouses.
5.Immediate wireless communication:Once the transmitter is pressed, the receiver will be immediately triggered and alerts to the host.Never miss a single alert.
6.Self  power  generation, save electricity, save your money and environment friendly:No need battery,  press button and Kinetic energy turn into electrical energy .Ordinary doorbell was average changed a battery once a month , Every year need 12 batteries, one battery costs 1 dollar, You can save lots of money and batteries every year.
7.58 music songs for your options:you can select regularly, and don't feel bored. Avoid the same ring with the neighbors.
8.Multi-function for you to adjust:LED Flash and 4 levels of adjustable volume.
9.Emergency call function:You can select a certain tone as emergency calling tone.It is very useful for old people and Pregnant women .
10.More applicable functions:Welcome alarm,Emergency Alarm
Notes:
Notice:
This is for a whole set including receiver and transmitter which is totally wire-free, self-powered by kinetics button.
For the receiver, we have EU/US options for our customers form different reg