1. Electronic keypad allows guests to easily set their own digital code : 3-8 digits

2. Solenoid system

3. Powered by 4 pcs "AA" batteries(not-included)

4. Equipped with 2pcs of mechanical override keys to open the door in the case of emergency

5. Reset button to reset codes

6. 3 wrong codes blocking function

7. Low battery alert

8. 3-light LED indicator