THE SMART TRICK OF ROLLER SHADES THAT NOBODY IS DISCUSSING

They use lots of batteries. Though the number of batteries differs according to the dimensions within your custom made shade, my 27-by-seventy three-inch shade desired a comically large quantity—8 D batteries, for an additional $17. Lutron notes in its FAQ that battery longevity is variable, dependant upon use, but that typically you have to be a