... ,electric,remote control anti-weather anti-thelf 1,Structure of roller shutter.(1) End Cap, (2) Bearing Bracket (3) Ball Bearing ... as need.5, operation ways: hand crank, electric.6, control system: remote control, switch, hand crank. 7, Model of shutter slat ... , anti-bad weather, safe, quiet, luxury.13, packing: one set roller shutter be packed in a 16mm thinckness wooden case which ...