... be customized; 2) System option: tubular motor driving system, manual strap control system, crank control system 3) Slats option: 45, 55mm ... : 7~10m2 7) Material: aluminum alloy. 8) Control: remote, switch, strap, crank 9) Motor: 6 ~ 50 Nm (tubular motor) 10) Comon ... all products according to ISO2001:2000 , TUV quality control guidelines. Strap insulated roller window