These blinds are actually sun tracking solar panels and they could cut your energy bill by 70 percent. | Mashable

Dual Axis Solar Tracking System with Solar Tracker It is a system which places the solar panels high on a pole and tracks them toward the sun all day. Production from a dual-axis solar tracker will increases annual output by approximately 40% compare to a fixed solar system.formatted in a certain way to enable the presentation of graphic. shop link：https://bit.ly/3mU7YiA | Eco-Worthy