- Durable zinc alloy construction provides a robust, long-lasting brake lock that resists environmental damage and protects internal components for reliable performance over time - Convenient keyless security with a four-digit password enables easy locking and unlocking for everyday use, allowing users to secure their bicycle with intuitive, straightforward operation - Strong anti-theft protection with millions of password combinations prevents unauthorized access and offers dependable theft deterrence for peace of mind - Weather-ready design features rust-free materials and a combination of waterproof and dustproof capabilities, ensuring consistent operation in all conditions and under harsh environments - Key attributes - Function: bicycle brake lock with keyless four-digit password - Material: zinc alloy - Unlock method: keyless 4-digit password - Security: millions of password combinations - Performance: rust-free, waterproof, dustproof for durable use - Compatibility: suitable for common bicycle brake lock setups - Use scenarios - Urban commute: quickly lock and unlock your bike outside shops or offices during daily errands with minimal effort - All-weather rides: dependable operation in rain, dust, and varying temperatures, reducing concerns about weather damage - Travel and errands: secure your bike in parking areas, parks, or transit hubs where a reliable, low-maintenance lock is beneficial