... color 3005 aluminum alloy manual,electric,remote control anti-weather anti-thelf 1,Structure of roller shutter.(1) End Cap, (2) ... 5, operation ways: hand crank, electric.6, control system: remote control, switch, hand crank. 7, Model of shutter slat: 32mm, 43mm 8, ... , packing: one set roller shutter be packed in a 16mm thinckness wooden case which don't need fumigation. Modern Roller Shutter Window