Intelligent U Lock Sliding Door Car Motorcycle Bike Padlock Window Password Waterproof To Phone APP Smart Remote.    Specification:  Unlocking method Mobile phone unlocking, key unlocking;  Unlocking speed 1-2S;  Color Black;  Battery capacity 1500mAh;  Connection method Bluetooth 5.0BLE;  Working temperature Bluetooth 5.0BLE;  Product size: S: 208 * 201 * 38mm;  L : 403 * 201 * 38mm;  Locking space short   ;   S:141 * 112mm;  L: 343 * 112mm   Scope of use Bicycle, electric car, shop door.    FAQ:  1.There are several unlocking methods for U-shaped locks?  Two unlocking methods, mobile phone unlocking and mechanical key unlocking.  2.How to unlock the phone?  Require users to search in App Stores or Google App Market to download apps.  Register and log in, click "+" on the main interface, scan "the QR code of the key on the manual to bind, and click the unlock button on the main interface to complete the unlocking, the unlocking distance is within 10 meters.    Package Included:   1 x Intelligent U Lock.