High grade zinc alloy fire keypad with solenoid lock and 2 override keys that is strong, , fire , , provides physical protection against forced entry, and offers a 3 error code locking mode.<br> Rund shape 98mm (3.86 inch) round faceplate, please remember to check the size to match your safe box before you buy.<br> Installation: 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 counterclockwise.<br> Our digital keypad security solenoid lock replacement are suitable for home and lockboxes, , hotel , cabinet , slot .<br> If you are not a safe technician or professional locksmith, please do not attempt installation. If you have any questions or difficulties, please contact us and we be happy to help you.<br> Color: As shown<br> Material: Metal<br> Package Contents:<br> 1pcs x lock replacement<br> Only the above package content, other products are not included.<br> 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.