Alarm Security Door Lock :A home security door lock with alarm function, which provides higher security and vigilance through the alarm function, is very suitable for elderly people living alone, single women and mothers raising children aloneSafety Door Lock :Door locks for kids safety is made of high-quality material. You can install it wherever you want. The door lock provides comprehensive protection , so you don't have to worry about children and pets going out in the darkEasy Installation :This indoor door anti-theft lock is very easy to install. It can be installed with screws. When there is a drop during installation, you can use shims. The installation time is less than 3 minutes.Wide Application Range :This home protection enhanced safety lock with an alarm is very suitable for elderly people living alone, children, and single women. Whether , in a hotel, or in an apartment, it can act like a security guard to help you issue an alarm and protect the safety of your family and loved Color: SilverMaterial: MetalPackage Contents:1set * Home Security Door Reinforced LockOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.