1. MATERIAL: High-strength zinc alloy lock head, anti-theft, rust-proof, and corrosion-resistant. The surface of the bicycle lock cable is made of PVC, which prevents scratches and is much softer and more comfortable. 2. EASY TO CARRY: Net weight: approx. 100g, lock length is 18cm, circle diameter is 11cm. Soft and comfortable, mini and portable. You can put it in your pocket or hang it on your arm or bike frame. 3. FREE COMBINATION: If you have more than two Jinginginginginginginginginginging mini locks, you can freely combine them to form a larger lock, offering infinite and widespread use. 4. SECURE AND RESETTABLE 4-DIGIT BIKE LOCK: Resettable 4-digit smart combination padlock with 10,000 code combinations to choose from. The original code is 0000. 5. MULTI-USE: Not only for bicycles/e-bikes, but also for other outdoor or sports equipment (e.g., scooters, gates, etc.). Regular lubrication of the keyhole and keyhole can effectively extend the lock's lifespan. PRODUCT DESCRIPTION TECHNICAL SPECIFICATIONS OF THE MINI LOCK Jinginginginginginginginginginging: Net Weight: 100 g. Material: Zinc Alloy, PVC. Length: 18 cm Circle Diameter: 11 cm With a 4-digit padlock, there are 10,000 possible combinations, making it virtually impossible for a thief to guess your number. DEFINE YOUR OWN DIGITAL CODE. 1. The preset code is 0000. 2. To change the number combination, open the padlock. 3. Turn the knurled wheel 90 degrees to the right. 4. Set your desired code. 5. Turn the wheel 90 degrees to the left to the starting position. 6. Your own code has been set. CONTENTS: 1 Bicycle Lock.