... ,electric,remote control anti-weather anti-thelf 1,Structure of roller shutter.(1) End Cap, (2) Bearing Bracket (3) Ball Bearing, (4 ... 13) Bottom Bearm (14) Plastic Stopper (15) Shutter Slat (16) Box(down) (17)Motor Controller2, Performance date:3, Widely used to family ... coated. (keep color 30years under sunshine and rain)11, tubular motor : 15years working life. passed Rosh, CE, TUV, CCC. 5years ...