Specification: Material: ABS shell Color: Black and White Battery: 3 AA batteries (Not Included) Size: Approx. 13.5 * 12.5 * 18cm / 5.31'' * 4.92'' * 7.08'' Weight: Approx. 700g How to use: Install Battery: 1. Please prepare 3 pieces AA batteries by yourself for installation before use. Open It with Password: 1. Open the safety box with the initial password, which is 0000. And when you finish entering the password, the green indicator will light up for right operation otherwise the red light indicator will light up and give out the voice of " please try it again". 2. Turn the knob clockwise and open the door. Green light for about 10 seconds, you will hear the creak of the door opening. If the door is open for longer than 10 seconds, the green light is off, and beep sound once every 20 seconds. To stop the beep, you can close the door. Change the Password: 1. Enter the current password (default 0000) to open the safe door. 2. Long press * key, the indicator flashes. 3. Enter a new 4-digit password and press "#" to confirm to store the new password within 15 seconds. Light stops flashing. ( If the new password is not entered within 15 seconds, the program will stop, you must restart the program.) 4. Release the * character button and close the door. Store coins and banknotes： 1. Put coins into the coin port on the top of the safe; 2. The banknotes are deposited from the special banknote deposit port above, and the money can be automatically rolled in only when the safe door is closed (put the banknotes into the banknote deposit port, and only gently hold the switch of the banknote port, the green light will light up , The banknotes will be automatically rolled into the deposit box. If the banknotes are carded, the red light will be on and the banknotes will be spit out. After the traffic light is off, the password can be entered to open the safe. Tips: 1. If the bankn