Check the listing for details. Gun Safe Lock Replacement Black Keypad Electronic Swing Bolt Lock Fit Safe Box. Color: Black, Condition: New. Listed at 56.99 USD. Stack on Gun Safe Lock Replacement with SwingBolt, Fireproof Chrome Keypad Elect Gun Safe Lock Replacement Black Keypad Electronic Swing Bolt Lock Fit Safe Box USER MANUALPress the red button and then release it; you will hear a beep. A yellow light on the panel and stay on for a period of time, you need to enter the code while the yellow light is illuminated. Enter your 3 - 6 digit code and confirm your code by pressing the * symbol on the keypad. After confirmation, you will hear two beeps with yellow light.Description Code Length: 3-6 digitsStatic current: 10u APower Supply: One 9V Alkaline battery (not included)Battery life span: About one yearBattery low voltage: 4.6 +-0.3VBolt type: Solenoid Zinc Alloy internal moving part lock kit Actuation time: 5s