1. Cam is zinc plated, and core was plated with nickel, which passed the 48-hour salt spray test.
2. Four-digit password, thousands of combinations, two-color digital wheel, greatly reduce the number of fuzzy phenomenon in the process of use
3. When the lock is opened, the assistant tool can rotate the variable block to set a new password, which is convenient and fast
4. Forget your password. Use an emergency key to unlock the door or quickly find your password