Security and setup - 4-digit combination lock with 10000 possible arrangements. You can reset the password so only you know it. - Initial code is 0000. To set a new code, rotate the knob 90 degrees clockwise and then enter your desired combination. Convenience - No keys required. Lock and unlock using the 4-digit code, reducing the risk of losing or forgetting keys. - Quick and easy to use for securing your bicycle anytime and anywhere. This is a practical bicycle accessory for everyday use. Protective design - Silicone protective outer layer helps prevent scratches on your bike. - Suitable for bikes and folding bikes; helps minimize damage from the lock and provides a safer option for riders, including considerations around cable lock use. Lightweight and portable - Cable length: 1.83 feet. Weight: 0.43 pounds. - Lightweight and easy to carry, making it convenient for outdoor use without adding significant burden. Versatility - Not limited to bicycles: compatible with motorcycles, skateboards, and various sports equipment. - Can also function as a lock for scooters and strollers, offering flexible security options. Use scenarios - Scenario 1: Park your bicycle at a cafe or campus rack and secure it with the 4-digit code while you step inside. - Scenario 2: Lock a scooter or stroller at a shopping area or park, using the code to prevent key loss and simplify security. - Scenario 3: Secure a folding bike or motorcycle during short trips or visits to public spaces, keeping the lock compact and easy to manage.