Disc Brake Lock with Keyless 4-Digit Password - Durable construction: A robust shell made from high-strength zinc alloy resists environmental damage and protects internal components for long-lasting durability. - Keyless security with 4-digit password: Features a keyless four-digit password and a press-to-lock mechanism for easy, everyday use and reliable unlocking for riders. - Advanced anti-theft design: With millions of password combinations, this anti-theft bicycle disc lock provides high security and helps prevent unauthorized access. - Weatherproof and rugged: Made with rust-resistant materials to ensure reliable operation in all weather, combining waterproof and dustproof capabilities for lasting resilience in harsh conditions. Use scenarios - City commute: Secure your bicycle when parked at stations, cafes, or office buildings during daily trips. - Campus or errands: Lock your bike while you run errands or study, providing peace of mind in busy areas. - Outdoor trips and weather exposure: Rides in rain, dust, or debris are supported by the lock’s durable, weather-ready design.