Manufacturer Adams Rite Model 3090-01-626 Dimensions 1-3/4″ W x 15-3/8″ High Entry Features Keypad Finish Satin Chrome 626 Handing Non-Handed Backset 31/32″ backsets and greater Door Thickness Mounting hardware for metal door applications from 1-3/4″ to 2-1/4″ thick. Operation Standard, Passage and lockout Operating Temperature Full outdoor rating – temperature range from -31 F to 151 F Keypad UV stable keypad material Power Powered by 4 AA Alkaline Batteries Programming In the standard mode of operation, a programmed 2 to 7 digit character followed by star (*) key, allows for one entry. Hold open time is adjustable fro 1 to 9 seconds. Standard Key Override Cylinder Mechanical key override via mortise cylinder (by others) Warranty 3 Year Warranty Weight 10.0000