Specifications:Material: ABS shellColor: Black and WhiteBattery: 3 AA batteries (Not Included)Size: Approx. 13.5 * 12.5 * 18cm / 5.31'' * 4.92'' * 7.08''Weight: Approx. 700gHow 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.Package Included:1 * Mini Money BankNote:Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.