Wireless Doorbell / Wireless Doorchime
GUANGDONG ROULE ELECTRONICS CO., LTD.
Region: China
Update: 07/25/2013
Key Specifications
* DC Wireless Door chime
* Working frequency of 434 MHz
* Prevent wrong calling by anti-interference digital technology and 19,683 pairs of codes； Or even over one million pairs of codes under the new technology with Super heterodyne circuit.
* Remote control distance above 60m.
* IP44 waterproof transmitter
* Sixteen melody rings for option.