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 Includes black zinc alloy electronic panel, solenoid lock, 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 If you are not a safe technician or professional locksmith, please do not attempt the installation., Manufacturer: Akfldms