Includes black zinc alloy electronic panel, solenoid lock, 2 emergency keys, motherboard, red reset button, user manual ( This product requires 9V batteries, which are not included in the package for safety reasons) This product is a set of combination products, please remove all your old parts and adopt all our new parts to work properly Our fire safe lock is strong, , fire , , provides physical protection against forced entry, and can set 1 management password and up to 2 user passwords; Added protection with interference codes to safeguard your real passwords Open with 3-8 digital codes that can be programmed and 3 different colors of lights indicating different states. To replace the battery, remove the keypad face by pressing the tab Our digital keypad security solenoid lock replacement are suitable for home and lockboxes, , hotel , cabinet , slot If you are not a safe technician or professional locksmith, please do not attempt the installation. How To Change Management Password? 1 x Keypad, 1 x Solenoid Lock, 1 x Motherboard, 1 x Red Color Reset Cable,2 x Override Keys 1.Enter "000000#", the yellow light turn on. 2. Enter "147#", the red light turn on. 3. new 3 to 8 digits password and "#". Repeat the operation twice. the yellow and red lights turn off, the new user password is set successfully. Tip:Each time you change your admin password after that, you need to the red reset button to reset it. How To Add User Code? User Code 1: 1. Enter "000000#", the yellow light turn on. 2. Enter the new management password followed by "#", and the red light turn on. 3. "11*#" followed by a new 3 to 8 digits password and "#". Repeat the operation twice. the yellow and red lights turn off, the new user code 1 is set successfully. User Code 2: 1. Enter "000000#", the yellow light turn on. 2. Enter the new management password followed by "#", and the red light turn on. 3. "22*#" followed by a new 3 to 8 digits password and "#". Repeat the operation twice. the yellow and red lights turn off, the new user code 2 is set successfully. Tip: The management password must be changed before other password changes and settings can be made. Color: Black Material: Metal Package Contents: 1 x electronic safe Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.