For more than 30 years, R-Series clutches have been the market leader when it comes to reliability, dependability and strength. Rollease Acmeda pioneered the R-Series clutch in 1982 and no one has been able to beat it since. The motorized R-Series roller shade system offers two Automate motors for two tube diameters to suit a variety of applications. Featuring ARC (Automate Radio Communication), the 25mm R-Series Automate system provides an intelligent, Li-ion battery, or a DC powered solution.