Check the listing for details. High Security Electronic Safe Lock Replacement Keypad with Solenoid Lock & 2 Key. Color: Black, Condition: New. Listed at 58.99 USD. Stack on Gun Safe Lock Replacement with SwingBolt, Fireproof Chrome Keypad Elect High Security Electronic Safe Lock Replacement Keypad with Solenoid Lock & 2 Key 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