MH222-RRR  Segmented LED , Digital Indicator for Floor Position Display , as well as Car Direction. Any Alphanumeric Character can be Displayed in either Single or Double Digit Floor Designations. Connected to Controllers Fast , 3 Wires Hookup (Micro Communication) , Includes Passing Chime connector and Red 2.2" Characters + 2.5" Arrow. ( Replace E-MOTIVE Models MS5521HR1 and MS5520H ). Includes Surface Mount Stainless Steel #4 Box , Dimensions 8 5/8"L x 6 5/8"W x 1 3/16"D.