How about Guo Xinxin's smart lock?

All right. According to the query, China Intelligent Lock Network shows.

1, automatic unlocking and locking, Swedish FPC semiconductor fingerprint, dual clutch lock cylinder patent, outdoor emergency charging, indoor battery fast charging without disassembly, hidden keyhole design, double authentication and opening, safe and convenient.

2. Xin Intelligent (Shenzhen) Co., Ltd. is a high-tech intelligent industrial company integrating R&D, production, sales and installation. Based on the principle of three business segments, two brand operations and one goal development, the company constantly creates more practical, smarter products and more intimate services for customers in the intelligent field.