Note: This product is a set of combination products, not detachable for use, please remove all your old parts and adopt all our parts to work properly(Once you have completed the installation, be sure to press and hold the red button for 10 seconds to reset the system and it will be ready for normal use) Stong and Durable Gun Safe Lock: High grade chrome zinc alloy fire resistant panel that provides physical protection against forced entry and lockout mode for 5 times false codes(locked for 5 minutes) Easy Operation & Installation: Right Swing Bolt lock including 2 override keys. Open with 3-8 digital codes that very easy to use and allows manual reset: a needle or a paperclip needed in case you lose the code including low voltage signal Application: All kinds of home safes & lock box, gun safes, pistol safes, hotel safe, cabinet safes, drop slot safe and most basic and medium security level safes on the market Service: If you are not a safe technician or professional locksmith, please do not attempt the installation. Power Supply:1 x 9V battery (Not included batteries) Color:As Shown Material:Aluminum Alloy Package Contents: 1 * fingerprint password lock 2 * keys 1 * lock