USB recharging design: A roller blind which is powered by an electrical source. Simply connect to USB and charge. Full charge provides roughly 3-5 months of use.App and remote control operation: Control this door blind via either method - no need to leave your seat. Move it up, down and stop to fix in place. Comes with remote holder so it has a safe place to live.Protective shade: Fabric filters 90% of sunlight, keeping your room shaded and cool. Also helps protect against wind and helps lock in heat when cold.Versatile: You can use this blind practically anywhere you want inside - as a window blind, bathroom blind, kitchen blind, or how about as a door blind? Can be used outside the window frame or sitting inside.Dimensions: 180H x 80Wcm. For window frames: 82.5cm inside mount, 75cm outside mount. Mounting accessory kit included.