Meet your most storing needs Cash Jewelry Guns Files Certificates ... ... About Us： SamYerSafe is a professional manufacturer of safes. We committed to providing you with the best products. We believe that our safe boxes can accompany you through countless important life moments and give you the greatest sense of security. How to unlock the safe box? Option 1 Insert your key and turn it counterclockwise, then turn the knob clockwise to open the door (When you use the safe for the first time, you can only open it by the key). Option 2 Input your own code and press button “A” or “B” to confirm. Rotate the knob clockwise to open the door (Please make sure batteries have been installed in the safe correctly ). CAUTION: Don’t leave the emergency key in your safe. High-hardness Steel Structure The safe is made of quality steel which is not easy to be destroyed by violent means. And the steel material is not easy to rust or deform either. Distinct LED Sensor Light The safe is equipped with an interior sensor light. When you open the safe by using the keypad, the sensor light will light up automatically. Pry-resistant Design We specially designed two thickened movable door bolts and a pry-resistant steel door for you to enhance the security. Three Different Capacities: (1) 0.4 Cubic Feet External dimensions： 12.2" x 7.87" x 7" Internal dimensions: 11.5" x 7.37" x 6.6" (2) 0.55 Cubic Feet External dimensions: 13.78" x 9.84" x 7". Internal dimensions: 13.3" x 9.3" x 6.6" (3) 0.8 cubic feet. External dimensions : 16.5" x 12" x 7" Internal dimensions : 16" x 11.5" x 6.6" Warning System Three continuously wrong codes will activate the warming beep for 20 seconds. And the digital keypad will be disabled during the beeping for protecting your items. REMINDER: You can only stop the beeps by opening the safe with the emergency key and removing the batteries.