CodeLocks Key Secure Hook Key & Padlock Cabinet w CL2255 Medium Duty Electronic Lock Tubular Mortise Latch Key Override Optional Lock Prep Optional Storage Lock Prep:Standard Prep 2 mm] long aluminum with 2 mm] long aluminum with end return design offers comfortable grip to lock or unlock Handing Configured for RH but can be easily reconfigured in the field Indicator Words “LOCKED" in red letters or “OPEN" in green letters appear on white background when bolt is thrown or retracted respectively Bar Length: 48" Handing: Field reversible Door Thickness: 1 3 4" (standard) Projection: 3 1 4" when active 5v AA batteries (supplied) The lock allows for a code to be entered onto the keypad