Product Information
- Convenient: Alarm immediately when shaking or moving the lock.
- High Sensitivity: Alarm immediately when cutting steel ropes or removing lock screws.
- Alarm System: Alarm immediately if you mistype your password three times.
- Anti-theft: The sound of alarm is over 110 decibels, which can effectively deter thieves.
- High Security: Four-digit passwords with 256 groups of password combinations.



















