Secure Your Home: The smart invisible lock provides high-security protection for your doors. With no visible lock hole, it's virtually impossible for intruders to pick the lock. Easy Access: You can use the remote control to quickly and conveniently unlock the door. 4 AA batteries can work for about 1 year and you can easily replace them without any tools. Simplified Installation: Installing the lock is fast and easy. It can be easily installed without the need for professional assistance. Durable and Reliable: The lock is made of high-quality zinc alloy stainless steel material that is built to last. It is resistant to rust, corrosion, and wear and tear. Versatile Compatibility: The lock is compatible with most standard door sizes and can be used on both residential and commercial buildings. Whether you're securing your home, office, warehouse or basement, this lock is the perfect solution., Manufacturer: Shenzhen Huaxinqiang Intelligent Technology Co.,Ltd.