Electronic Keyless Lock For Use With Lockers and Cabinets Access Method Keypad Usage Security Handle Type Thumb Turn Door Thickness 0.25 in to 1 in Lock Material Zinc Alloy Finish Powder Coated Series KL1000 Hand Left Hand Outside Height 1.31 in Outside Depth 1.13 in Outside Width 5.38 in Keypad Material Rubber Number of Keys on Keypad 11 Timed Entry Allowance 5 sec Features Access Methods and Multiple Functions Advanced Programming Capabilities Power Source 2 AAA Batteries