SpecificationColor: Black Red, White,Blue,etc.Battery: 3 X AA Batteries (Not Included)Follow the steps below to use a safe:Warm Tip: You need to enter a four-digit code firstly to open the safe. Safe default paword is: 0000.1. Enter 4 digits paword, a green light will shine. If you enter a wrong paword, the red light shines and you may hear some voice "PLEASE TRY AGAIN"2. Then rotate the knob clockwise to open the door. Green light shines for 10 seconds, you will hear the door squeak.3. If the door is kept on opening for longer than 10 seconds, green light stops shining and makes the beeps sounds every 20 seconds. Close the door to stop the beeping.4. Put Banknote into the mouth directly. Enter the paword then you can withdraw money.5. When you finished, please confirm the door is closed.To change the paword, follow these steps:Enter the current paword (default is 0000) and open the door.Hold the '*' button down, both green light and red light flash.Within 15 seconds, enter the new 4-digits paword, pre '#' button to store your new paword, both lights stop flashing.Attention:If the new paword did not enter within 15 seconds, the application will stop and you should restart it to go on.Release the "*" button and close the door, you will hear beeps or sounds.Enter your current paword and open the door (default 0000)Push the switch on the door back left or the right to set the beeps or sounds.Close the door of the safe.Notes:1. Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you!2. Please allow 1-3mm measuring deviation due to manual measurement.