Features:
Wireless battery operated doorbell system of 1 transmitter and 2 receivers.
Both the Transmitter and Receiver are battery operated.
Creative, waterproof design. Prevent rainwater infiltration which prolong service life.
36 chimes  included: Pick one you like from modern to old fashioned chimes.
Loud enough to hear at any of the 4 levels of volume and low enough so it won't disturb any sleeping children.
Remote control range up to 100 meters in the open air, suitable for homes and high-rise building.
High quality ABS material, green environmental protection. Wireless installation, easy and convenient.
Setup literally within minutes of opening the packaging and is suitable for long range in any home or business.
Easy to install with the double side adhesive tape and the screws.
Suitable for any house, office and many more areas.

Specifications:
Receiver:
Voltage: DC, 4.5V(3 *AAA batteries, not included)
Working current: ≤80mA
Static current: 0.8mA
Power: ≤2W
Work frequency: 315MHz  
Music: 36 chimes for option     
Volume: 25-80dB
Receiving distance: 100m(Open field)
Transmitter:
Voltage: 12V(battery:23A 12V, not included)
Current:≤15mA (If 20 times one day, the battery can last 1 year)
LED indicator: Press the launch button, LED indicator light will flash, the transmitter begin working. Meanwhile, the receiver receive the signal and beautiful music produced, remind you with a VIP visit. The blue-ray LED of the receiver will regular flash along with the music.
Temperature: -10C~50C
Rainproof: Yes, the doorbell can be installed outside the gate.
Product dimensions:
Receiver: 10 * 5.8 * 2.8cm / 3.9 * 2.3 * 1.1in
Transmitter: 8.1 * 4.5 * 2.3cm / 3.2 * 1.8 * 0.8in
Product weight:
Receiver: 62g / 2.2oz
Transmitter: 27g / 0.95oz
Package size: 10.3 * 6.3 * 7.8cm / 4.1 * 2.6 * 3.1in
Package weight: 204g / 7.19oz

Package List:
1 * Transmitter
2 * Receivers
1 * Double Faced Adhesive Tape
2 * Screws
1 * User Manual(English)

Packaging

Package :standard package or customized

Shipping

Delivery   :3-7 work days for <500 pcs

we offer various options including DHL,TNT ,UPS,EMS,FEDEX etc,and it would be beneficial for large orders by sea.If you have a shipping account or shipping forward,it could be better,but if you don't have,then we can help you to choose the best way to ship your  wireless doorbell.

 About USBonline Co.

USBONLINE GROUP is a Hi-tech IT enterprise incorporating research and development, production, OEM/ODM and sales of the electronic products. Our primary market is in Hong Kong, south-east Asia, Europe, America and Middle East. We have over 10,000 products, including Iphone Accessories,Samsung Accessories,Tablet PC,IPad Accessories,HDMI Accessories,USB Products,Gifts and Promotion,Computer Accessories,Car Accessories,Cellphone Accessories,Game Accessories,Cables & Connectors,Network Accessories,Digital Products.Among them you can surely find the ones you need. Our development is tightly linked to customers support, that's why we are always working hard to achieve best product,competitive price, fast lead time and satisfying service for you. To choose USBONLINE, that will be the choice you will never regret.