Features 1,Invisible Keyholes: Since there are no visible keyholes, it is almost impossible for intruders to pick the lock and provide high security for your door. 2,Multiple Unlocking Methods: Offering versatile unlocking solutions like swipe card, physical key, and ID key, this lock ensures dependable access without compromising security. 3,Battery Powered: Powered by 4 AA batteries(not included), the lock ensures ongoing, dependable performance. Plus, the batteries can be swapped out easily without requiring any specific tools. 4,Easy Installation: The deadbolt lock is designed for quick and hassle free installation. No need for professional assistance, you can set it up yourself within minutes. 5,Wide Application: Great for both residential and commercial buildings, from homes and offices to warehouses and basements, this lock provides comprehensive security everywhere. Specification Item Type: Electronic Deadbolt Lock Material: Stainless Steel Unlocking Method: Swipe Card, Key, ID Key Main Lock Power Supply: 4x1.5V AA Batteries (Batteries not included) Package List 1 x Lock Body 1 x Lock Eardiv1 x Lock Cylinder 3 x Keys 10 x ID Keychain1 x Lock Card1 x ID Card Reader2 x Screw 1 x Square Plate6 x Screws or div Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.