Check the listing for details. Stack-On Safe lock Set Electronic Gun Safe Lock Replacement Solenoid Lock. Color: Chrome, Condition: New. Listed at 53.42 USD. Stack-On Safe lock Set Electronic Gun Safe Lock Replacement Solenoid Lock About this item:Multiple user sets of passwords, management code and user code function and password length is fixed at 6 digits.Only for locksmiths and safe technician use.Wrong try penalty after 3 false codes.Replacement lock for most common safe on the markets.Low voltage signal and easy to operate. Product description:High Security Fireproof Safe Electronic Lock: Code Length: 6 digits Static current: 10u A Power Supply: One 9V Alkaline battery (not included) Battery life span: About one year Battery low voltage: 4.6 +-0.3V Working humidity: (max) 90% Bolt type: Swing Bolt Zinc Alloy Internal moving part lock kit Actuation time: 5sWe we can supply all kind of electronic locks for safes including mechanical combination locks.Please send us an email with your requirements if you’re not sure about the lock.