Electronic Keyless Lock For Use With Freezers Refrigerators Access Method Keypad Usage Security Handle Type None Door Thickness 0.25 in to 0.50 in Lock Material Plastic Steel Finish Powder Coated Series 150 Hand Non-Handed Outside Height 8.4 in Outside Depth 0.44 in Outside Width 4.4 in Latch Length 0.87 in Keypad Material Membrane Number of Keys on Keypad 12 Features Pin Code Length of 4 to 14 Digits Slam Latch Power Source 6 AA Batteries Battery Life 6 mo