Smart window coating that darkens on-demand like an eclipse
Apply it once to any window, then control it via app to create instant shadow and cooling. Block UV, reduce heat, and slash your AC bill by up to 40%.
Tap your phone during a brutal summer afternoon and watch your sun-blasted living room windows visibly darken within seconds like an eclipse is passing overhead. The temperature drops 8 degrees instantly, your skin stops feeling that harsh sunburn sensation, and you see your AC bill plummet.