WIFIdoorbell - 可视门铃
WiFi-Doorbell: See, hear and speak to anyone at your door from your smartphone, tablet. Support monitor,video record,unlock.
Zhuocheng Electronic (QuZhou) CO.,LTD .is a leadership in manufacturing of security technology products. It has researched and produced a series of : video door phone for villa, video door phone for apartment, WIFi doorbell etc. The company is at the development of security technology in China.