Includes black zinc alloy electronic panel, solenoid lock, motherboard, red reset button, and user manual. This product requires 9V batteries, which are not included in the package for safety reasons. This product is a set of combination components; please remove all old parts and install all new parts for proper operation. Our fire safe lock is durable and provides physical protection against forced entry. It supports 1 management password and up to 2 user passwords. Features interference codes for added security to protect your actual passwords. Unlock using a customizable 3-8 digit code with three different LED colors indicating operational status. To replace the battery, remove the keypad face by pressing the tab. This digital keypad security solenoid lock replacement is suitable for home safes, lockboxes, hotel safes, cabinets, and slots. If you are not a qualified safe technician or professional locksmith, do not attempt installation. How To Change Management Password: 1. Enter "000000#", the yellow light turns on. 2. Enter "147#", the red light turns on. 3. Enter a new 3 to 8-digit password and repeat the process twice. When the yellow and red lights turn off, the new management password is set successfully. Tip: Each time you change the admin password afterward, use the red reset button to reset the system. How To Add User Code: User Code 1: 1. Enter "000000#", the yellow light turns on. 2. Enter the current management password followed by "#", the red light turns on. 3. Enter "11*#" followed by a new 3 to 8-digit password and repeat the operation twice. When the yellow and red lights turn off, User Code 1 is set successfully. User Code 2: 1. Enter "000000#", the yellow light turns on. 2. Enter the current management password followed by "#", the red light turns on. 3. Enter "22*#" followed by a new 3 to 8-digit password and repeat the operation twice. When the yellow and red lights turn off, User Code 2 is set successfully. Tip: The management password must be changed before any other password settings can be made. Color: Black Material: Metal + Plastic Package Contents: 1 x Electronic lock box Note: Light reflection and display differences may cause slight variations between the product color in images and the actual item. Measurement error allowed within +/- 1-3 cm.