If operated 4 times a day, it will need to be charged approximately every 2 to 3 months. The motor is equipped with a micro USB port, making charging very convenient. Natural fibers can vary slightly in tone due to differences in harvest time, origin, and exposure to light or air. Even shades from the same batch may show subtle variation. We recommend ordering all shades for the same room together and clearly labeling each space when placing your order to ensure best consistency.