Electronic Keyless Lock For Use With Freezers Refrigerators Access Method HID Proximity and Keypad Usage Security Handle Type None Door Thickness 0.01 in to 0.85 in Lock Material Stainless Steel Finish Powder Coated Series 300 Hand Non-Handed Outside Height 8.5 in Outside Depth 2.63 in Outside Width 6 in Latch Length 2.51 in Keypad Material Membrane Number of Keys on Keypad 12 Timed Entry Allowance Programmable Features Proximity Reader 125 kHz Latch Located On Top