DIY Your Automated Motorized Facilities DUALR3/DUALR3 Lite can operate as a smart control module for a 100-240V AC motor, like the tubular motor for bi-directional motorized curtains, blinds, roller shutters, awnings, etc. Note: 1. DUALR3/DUALR3 Lite is applicable to four wires(GND, neutral, Forward, and Reverse) AC motors, like tubular motors. 2. The motor connected to DUALR3 needs a travel limited function, otherwise, it cannot be calibrated. Click this link to learn more. Schedule to Open and Close for Comfortable Life .