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. Rund shape 98mm (3.86 inch) round faceplate, please remember to check the size to match your safe box before you buy. 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. 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 installation. If you have any questions or difficulties, please contact us and we be happy to help you. Color: As shown Material: Metal Package Contents: 1pcs x lock replacement 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. Note: 1. Please allow 1-3 mm error due to manual measurement and 1-3g weight error make sure you don't mind before ordering. 2. Due to the lighting of the photos and the difference of monitors, the pictures may not reflect the actual color of the real item. Please make sure you don't mind before ordering, thank you! About Shipping: 1.please pay attention to your delivery address such as: name, street, house number, doorbell/email without name, etc. is correct, or the order will not be delivered correctly. 2.All items will be shipped within 3 business days after the payment is received. Most times you will receive them within 8-12 days then. The specific delivery time is depend on circumstances. 3.During the shopping process, if you have any questions, please feel free to consult us, we will reply you within 24 hours Hope you have a pleasant shopping experience!