关门即自动反锁，更安全、更便捷，特别方便老人和小孩使用；

The door is automatically locked, safer and more convenient, especially for old people and children.内置王力超C级圆柱体锁芯，360分钟防技开；

Built-in wonly super C cylinder locking core, 360 minutes of anti-skill外防内快，室内把手一按即开，快速又便捷，关键时刻能保命；

External defense inside quick, indoor handle is open, quick and convenient, the key moment can survive锁体双向防撬钩设计，越撬咬合越紧密；

The design of the lock body double - check - lever design, the more the pry the closer together防拆猫眼，有效****穿过猫眼室内*，更防盗；

Anti-opening cat eyes, effective prevention through the door lock, more anti-theft*铰链，防腐蚀性、****性是普通的15倍，*持久不生锈；

Military work hinge, anti-corrosive, anti-oxidant is common 15 times, durable and durable自动门缝调节器，自动调节门扇与门框的间隙，即避免门扇与门框发出声响，又隔音保温。

Automatic door slot adjuster, automatically adjust the gap between door and door frame, that is to *oid the door fan and door frame make a sound, and sound insulation