The 4-in-1" Low Effort Control System sunshade provides effective sun or sight protection while seamlessly blending into your premises. Whether it's the workplace, living room, bathroom or nursery.The shutters can be used all year round, they can block direct sunlight in summer, create a cool and comfortable living space for you, and prevent heat loss in winter.Type: ShuttersFeatures: filterMaterial: Aluminum.How to use: "4 in 1" 1s control, up, down, open, close.Dimensions: (width x height) left and right width (W), top and bottom height (H) (customizable)Scope of application: families, octagonal windows, bay windows, floor-to-ceiling windows, residential quarters, restaurants, studios, balconies, villas, etc.Quantity: 1 (including: bead curtain, guide rail, installation accessories)- installation method:1. Measure the installation position and mark it.2. Drill the holes with an electric drill.3. Insert the expansion screw into the hole4. Set the facility code5. Put the bamboo curtain into the window box and cover the curtain6. complete● care instructionsThe dust coating can be removed with a feather duster or damp cloth.Even after many years, the blinds still look perfect.Please note that the blinds are made of high quality materials which may vary in quality, colour, feel, shape and stability due to UV radiation.These features cannot be avoided and are not grounds for complaint.