... oiling 2, Built-in chain roller step 3, Inclined handrail 4, Demarcation lamp 5, Handrail inlet 6, Table type traction machineOPTIONAL ... ,Running direction indication 2, Handrail illumination 3, EHC colorful handrail 4, VVVF controller 5, Skirt panel brush 6, Automatic start & stop 7 ...