Shenzhen Qihoo Jian An Intelligent Technology Co. Ltd offers the D819-23, a smart video doorbell that has a 1080p camera with a 162-degree viewing angle, 15m night vision and face recognition. This device, which connects via Wi-Fi, has a motion sensor with alarms. It supports intercom, real-time monitoring and video recording functions. Other features include a do not disturb mode, cloud and SD card storage, voice modulation and an alarm in case of tampering or forced removal.

This IP67-rated doorbell sources power from a 5,000mAh rechargeable lithium battery. It measures 151x61x32mm and weighs 700g.

Shenzhen Qihoo Jian An performs R&D and QC in-house.

Analyst's comment: Smart doorbells are a feature-rich addition to home security.