"kalata" 300kg roller shutter motor,single-plase,light series,complete function,small volume,light quality "kalata" 300kg roller shutter motor,single-plase,light series,complete function,small volume,light quality,may be used to replace tubular motor,stable and safety.1.suitable for all kinds of roller shutter door2.reliable performance,stable and safety3.location accuracy less than 1.5 ...