4 Digits Passcode Lock small yet powerful with 1,073,741,824 combinations

Touch pad button passcode 3 to 15 digits combinations
 
Passcode lock for letter box , locker and cabinet small yet powerful with 1,073,741,824 combinations
 
The power of 1 to 4 number
Each digit in the passcode can be one of 4 choices (1, 2, 3, or 4). Since the passcode is 15 digits long and each digit can be repeated, the total number of combinations are 1,073,741,824 possible combinations for a 15-digit passcode using the numbers 1 to 4 with repetition allowed.
 
Key Features
Customizable Passcode Length: Users can set passcodes from 3 to 15 digits, providing options for enhanced security.
 
User-Friendly Interface: A touchpad interface allows for easy input of the passcode.
 
Feedback Mechanism: Visual (e.g., LED lights) or auditory signals (beeps) indicate whether the entered passcode is accepted or rejected.
 
Error Handling: The system can lock out after a certain number of failed attempts to prevent unauthorized access.
 
Key Features
Personal PIN Code: Users can set their own 4-digit passcode for enhanced security.
 
Touch Panel Lock: The sleek design includes a touch panel for easy access without the hassle of keys.
 
Low Battery Indicator: Alerts users when the battery needs replacement, ensuring you’re never locked out unexpectedly.
 
Micro USB Port: Provides an alternative power source in case of battery failure.
 
Security Features
Auto Lockout: If the wrong passcode is entered four times consecutively, the lock will auto-lock for one minute to prevent unauthorized access. During this time, the touch panel becomes unusable.
 
One-Time Passcode Mode: Allows users to set temporary access codes for guests or service personnel.
 
Usage Instructions
Setting Your Passcode: Follow the instructions to change the master pin and set your personal passcode.
 
Unlocking and Locking: Simply enter your passcode on the touch panel to unlock. Ensure the lock is in the correct position when locking it again.