1. Material: zinc alloy 2. Weight: about 65g/piece 3. Size: about 2.6 cm in diameter 4. Purpose: lock helmet, car, etc. 5. Features: small size, easy to carry, versatile, retractable steel cable, about 1 meter after stretching, combined password, security and anti-theft, zinc alloy lock hook, durable, easy to use 6. Change password: -The original password (000 aligned with the logo) -Use the tool to hold the code button firmly -Press and hold the button, then set a new password -Password set successfully -Note: when you toggle the password, hold the button firmly, otherwise it is easy to make mistakes
