Version 1 : Indicator And Buttons Refurbished, Voiceover And Door Motor Change And Chime And Motor Still Original. Version 2 : Indicator Upgrade : If Arrow Is Appear, Floor Numbering Screen Move Quickly to Right And If Arrow Is Disappeared, Floors Numbering Screen Move Quickly to Middle. Version 3 : Add Floor B1 (Car Park) And B2 (Staff Only) Version 4 : Chime Change. Version 5 : Indicator Completely Refurbished By Luxiar Again. Version 6 : Motor Sounds Change By Luxiar And Now Turn Into REvolution3. Version 7 : Intro Add And I Lock B2 Because Staff Only. Version 8: Intro update. credit to @LIFTWONG
