... noise<38dB 3-8Nm ,230/110V Automation for roller shutters ,tubular motor 10Nm Widely used on many roller products: ... roller doors, roller shutters, curtains, blinds and screens Control mode: remote control, switch, motorized with manual override Tubular motors advantages: ... material, the gear is more wear-resisting, toughness and steel feature is more stronger which will increase the service ...