PIN code supports 100 users, PIN/PROX supports 2000 users Medeco) Mortise Cylinder, 1-1/4" supplied, (supports 1-1/8" , 1-1/4" and 1-3/8"), Compact styling 14-3/8" H x 1-5/8" D x 1-3/4" W, Backsets 31/32" , 1-1/8" and 1-1/2"; Stile thickness 1-3/4" 40,000 event audit trail in 1300 Series, HID Prox ID cards, key fobs and prox tags supported in PDL 1300, 1300 model has real time clock and PC programmable automatic lock/unlock scheduling for 500 events Description / Type: Storeroom, Backset: 31/32,1-1/8 ,1-1/2, Dimensions: 14-3/8 H x 1-5/8 D x 1-3/4 W