Check the listing for details. Gun Safe Lock Replacement Black Keypad with Solenoid Lock Safe Electronic Lock. Color: Black, Condition: New. Listed at 48.46 USD. Gun Safe Lock Replacement Black Keypad with Solenoid Lock Safe Electronic Lock About this item:Best Replacement for Gun SafesOnly for Locksmiths and Safe Technician use only.2 User Codes (User Codes can be 1 digit to 8 digits)Wrong Try Penalty Lock Out (1 minute)Solenoid Type Lock Mechanism Technical Details:Multilevel code: 2 levels to manage---Master code and User code, both of them can as clients requirements to set up.Clear code: When user forgot his user code , can use master code to open lock and set new user code.Password protect function: When continuous entered wrong password three times ,the main board of lock will locked 15 minutes , this can prevent code from stealingPassword digits: 1-8digits & Master password: 1-8digits.Low voltage alarm function: When low voltage, operating electronic cabinet lock with red light prompt (please change battery firstly), during the low-voltage, the electronic lock still can unlock up to more than 100 times.Sound prompt function: When operating cabinet lock with different sound to prompt.Single 9V battery operation easy to use and low battery alarm function.