Features: This is suitable for the public or private storage cabinet lock, good quality, to protect property, please be assured that use. Main use and ambry, golf, bathroom and so on How to change your password: 1. Press twice the green button until the yellow light flash, then enter your old password 2. Press the green button to confirm 3. Enter your new password 4. Press the green button to confirm; 5. Green light flash one for time,after beep twice, showing the new user password changed successfully. Note : Each lock has a corresponding lock number, (SN) beginning with the letter behind the numbers, do not tear! The lock 1. enter your new password set 4-10 (if there is no change, please use the factory code "1111"), in accordance with the "C" or "Please" for key to unlock. 2. password correct green light;Password error yellow lights flashing; 3. when the green light, please pull outward to open the door Note : "please" for the password confirmation for key, "C" for key to clear key Specifications: Type: intelligent cabinet lock Material : ABS Keypad: 56.1x84.9x14mm Lock: 118x45x29mm Quantity: 1 Set Note: Please allow 1-3mm error due to manual measurement. pls make sure you do not mind before you bid Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package Contents: 1 x Keypad 1 x Lock 1 Set x Screws