Rim Exit Device with Alarm, Exit Device, Cylinder Dogging, Heavy Duty Performance, Mechanical, 9 V DC, Grade 1, Anodized Aluminum Finish, Door Width 20 in, Series ECL-230, Door Height 84 in, Fits Stile Width 5 3/4 in, For Door Thickness 1 3/4 in to 2 1/4 in, Door Handing Non-Handed, , No, Standards ANSI/BHMA, California State Fire Marshal, UL Listed Panic Hardware