Main features:

1. Stylish modern design fits into any home and office
2. 36 ringtones (16 chord) to choose from and 3 steps volume control
3. Simple to use and easy-to-install, without the hassle of running any wires
4. With over 200m operating range in the open space
5. Waterproof design for the push unit (IP44 rated)
6. Eye-catching LED light flashes when someone pushes the doorbell
7. Different quantity of push unit(transmitter) and doorbell unit (receiver) are free to be combined together as one system

8. If paired multiple push units in one system,the chime can be set independently for each push unit
9. Approved with CE and RoHS.

Specifications:

Operating voltage of receiver: DC4.5V (3*1.5V AA battery, NOT included)
Operating voltage of transmitter: 12V (1*23A Battery, NOT included)
Transmission Frequency: 315/433Mhz
Transmission Range: over 200m (in the open space)
Internal Sounds: 36 ringtones
Sound Volume: 25~110dB adjustable
Chime unit standby current: < 1mA
Operation temperature: -30°C to 50°C
Environmental humidity: ≤95RH
Plug type: US,EU,UK optional

   What is in the box? (Standard Package)
1* Chime unit(receiver) 
1* Push Button(transmiter)
2* Mounting Screws

 * 18000 square meters factory, have capability to supply wide range of products
* Good quality control ,with competitive prices.
* On-time delivery.
* Good after-sales service.
* OEM and ODM are also accepted.
* We are located in Zhongshan City of Guangdong, very near the ports.

* We guarantee that all our items are "as stated" in their descriptions. We strive for 100% customer satisfaction on each order we completed.
*We are manufacturer, there is no middle man, no high markup, so we can provide quality items with very competitive price.
*If you have any questions please contact us first, we are sure to response within 12 business hours.