1. Code: Open&Close with 3-8 digit code.
2. Bolt: One-way locking bolts.
3. Interior: Include the protective floor carpet.
4. Indicator: 3 indicator lights (green, red and yellow), indicate open, low battery and warning.
5. Reset button: Change the code easily with reset button.
6. Battery: Run on 4x1.5V AA batteries.
7. Working system: Use the Knob to open and close with a soleniod system.
8. Override key: Supply the override key for emergency use.
9. Fixing: Pre-drilled holes at the buttom and back(fixings included).