Check the listing for details. Stack-On Safe Lock Electronic Digital Safe Lock Replacement Solenoid With 2 Key. Color: Chrome, Condition: New. Listed at 60.59 USD. Stack-On Safe lock Set Electronic Gun Safe Lock Replacement Solenoid With 2 Key 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: 5s We 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.