About this item 【Authorize users by phone】You have the option to share multiple passcodes with your family and friends, and use a temporary passcode to grant access to others when you are away. it offers access to the last 1000 unlocking records for enhanced security and convenience. 【Unlocking with Bluetooth】Unlocking in just 1 second provides a fast and efficient user experience. Moreover, the app allows users to authorize and monitor unlocking records from anywhere, putting control in your hands. 【Long-lasting Battery Life】With a built-in 300mAh 2 dry battery ensures stable and long-lasting usage. Additionally, easy for batch maintenance. 【Sturdy and Durable】Crafted from robust aluminum alloy for the lock Middle frame body and plastic cover and bottom to against weather. 【Versatile Application】Lightweight and portable, it is suitable for a wide range of scenarios, including locker/cabinets, gyms, toolboxes, doors, and fences. It offers excellent security and a convenient user experience. › See more product details