1、powerful function:intellectual type rate open-close type
2、small size:Only 35% of other products
3、light weight:Only 30% of other products
4、reliability:bearings and electric components used are made by famous maker in the
international market
5、good looking:adc body and cover,fine and smooth
6、high strength:worm wheel and output shaft is made of sped alloy
7、no backlash:worm wheel and output shaft come one pieces
8、safety:AC1500(V) test,sped made cord lock
9、simple:one phase power supply wiring is very simple