Chuông cửa không dây dễ lắp đặt khoảng cách trên 1000-Feet với 45 giai điệu chuông và 4 mức âm lượng phích cắm US

[LONG WIRELESS RANGE AND STRONG SIGNAL]: The door bell have strong penetrating power, capable of transmitting clear signals up to long range 304M/1000FT inside your home or business in an open space. You'll be never miss a visitor's arrival no matter where you are. Since the number of each wireless door bell is separate, it will not interfere with other equipment in your house or those of your neighbors.
[SIMPLE SET UP]Simply plug the receiver into a power outlet and attach the transmitter to the exterior wall with the provided screws or adhesive patch; there is no need to reset tune and volume level after a power outage. Easy-to-install with all the accessories needed, broadly perfect for home, office, hotel, dormitory, etc.
[45 TUNES & 4-LEVEL VOLUME]The Wireless doorbell receiver features 45 tunes and 4 adjustable volume levels of 0-110 dB. Humanized Mute e-0dB with LED indicator reminder, won't disturb a sleeping baby, and the maximum level of 110 dB is loud enough to be heard even during a party, or even by those with impaired hearing.
[WATERPROOF DOORBELL] IP55 Rated trasmitter with waterproof ring structure, could works between -4 Fahrenheit to 140 Fahrenheit, withstands tough weather conditions. Portable size Doorbell, won't hinder the use of nearby switch button. Plug-in receivers eliminate the havesles of having to change disposable batteries or recharge your units.
Plug Type: US Plug,it applies to Canada, India, Japan, Mexico, Thailand, Taiwan, the United States, the Philippines and so on.
Colour: black + gold
Material: ABS
Size: 10.6x8.6x8.6cm

Package Contents:
1 * Doorbell Transmitter
1 * Doorbell Receiver
1 * Small battery
1 * Double Sided Tape
2 * Screw
1 * Use ManualOnly the above package content, other products are not included.
Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1