Description: 100% brand new and high quality. Feature: Semiconductor fingerprint, 360arbitrary angle recognition, invisible fingerprint, unlocking smooth, comfortable and convenient, experience smart new life. Mechanical key, retaining the traditional unlocking method, easy and simple to operate. Emergency USB charging interface, when the battery is dead, the external charging treasure can be easily unlocked. Normally open mode, durable and stable to use with the high-quality material. Artificial intelligence technology, multi-functional design makes your life safe and secure. There are matching keys to open the door. The keys for each set of locks are different. They are all well matched. Suitable for home room, apartment, school, office use. Specifications: Item Type: Intelligent door lock Material: Metal Size: Handle: 153x27mm/6.02x1.06in Color: Champagne Gold, Black(Optional) Applications: Family, Apartment, School, Office Quantity: 1 Set Note: Transition: 1cm=10mm=0.39inch Please allow 1-3mm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you Package Includes: 1 x Intelligent Door Lock 1 x Some Accessories 1 x Key