Specification BatteriesIncluded : 1 Brand : LazBlinds BulletPoint1 : Blinds width will 1/5" narrower for a snug internal installation. Actual Blinds Size is 30 4/5" W x 72" H. Choose the size SAME or CLOSEST to your window width for INSIDE mount. For Example, if your windows are 30" wide, order 30" or slightly less for internal installation. For OUTSIDE mount, we recommend order (2-4)inch wider than your window width for better coverage. For Example, if your windows width is 30", order size 34" would be okay for outside mount. BulletPoint2 : ⭐(Pls Note) Fabric width is 1" narrower than the shades. There is a 1/2 inch light gap on both side. For INSIDE mount, window frame should have at least 2" depth. BulletPoint3 : 100% Blackout Roller Shade: Blocking out 100% light for complete privacy, energy saving insulates against heat and cold, light control and UV protection for bedrooms, children’s rooms and movie rooms. Excellent for deeper and longer sleepers. BulletPoint4 : Cordless Blinds for Windows: Built-in the robust constant force spring-loaded mechanism, which has passed 5,000 times usual lifting or pulling down tests for each blind, making it easy to raise up or lower down evenly and stay balanced automaticall. No tangled cords, safer for child and pets. BulletPoint5 : Adjust the rebound position and speed: ⭐Adjusting the rebound speed: open the right side cover and adjust the screw clockwise to make the rebound speed slower and counterclockwise to make it faster. ⭐Adjusting the rebound position: open the left hood and adjust the screw counterclockwise to stop the roller blinds in the desired position and return to this position when contracting the roller shades. CareInstructions : Spot Clean Color : Black ControlType : Cordless FabricType : Polyester GpsrSafetyAttestation : 1 Hazmat1 : LITHIUM METAL BATTERIES CONTAINED IN EQUIPMENT Hazmat10 : CN_SmallLithiumMetalBatteryInEquipment Hazmat11 : DE_SmallLithiumMetalBatteryInEquipment Hazmat12 : EG_SmallLithiumMetalBatteryInEquipment Hazmat13 : ES_SmallLithiumMetalBatteryInEquipment Hazmat14 : FR_SmallLithiumMetalBatteryInEquipment Hazmat15 : GB_SmallLithiumMetalBatteryInEquipment Hazmat16 : IN_SmallLithiumMetalBatteryInEquipment Hazmat17 : IT_SmallLithiumMetalBatteryInEquipment Hazmat18 : JP_SmallLithiumMetalBatteryInEquipment Hazmat19 : MX_SmallLithiumMetalBatteryInEquipment Hazmat2 : UN3091 Hazmat20 : NL_SmallLithiumMetalBatteryInEquipment Hazmat21 : PL_SmallLithiumMetalBatteryInEquipment Hazmat22 : SA_SmallLithiumMetalBatteryInEquipment Hazmat23 : SE_SmallLithiumMetalBatteryInEquipment Hazmat24 : SG_SmallLithiumMetalBatteryInEquipment Hazmat25 : TR_SmallLithiumMetalBatteryInEquipment Hazmat26 : US_SmallLithiumMetalBatteryInEquipment Hazmat27 : ZA_SmallLithiumMetalBatteryInEquipment Hazmat3 : II Hazmat4 : 9 Hazmat5 : AE_SmallLithiumMetalBatteryInEquipment Hazmat6 : AU_SmallLithiumMetalBatteryInEquipment Hazmat7 : BE_SmallLithiumMetalBatteryInEquipment Hazmat8 : BR_SmallLithiumMetalBatteryInEquipment Hazmat9 : CA_SmallLithiumMetalBatteryInEquipment IncludedComponents : Shade included ItemDisplayDimensions_Height : 5.5 centimeters ItemDisplayDimensions_Length : 130 centimeters ItemDisplayDimensions_Width : 100 centimeters ItemDisplayWeight : 0.92 kilograms ItemName : LazBlinds Cordless Roller Shades, Blackout Blinds for Windows, Thermal Insulated UV Protection Waterproof Fabric, Free-Stop Roll Up Pull Down Shades for Home and Office, 31'' W x 72'' H, Black ItemPackageDimensions_Height : 87.63 centimeters ItemPackageDimensions_Length : 7.62 centimeters ItemPackageDimensions_Width : 8.89 centimeters ItemPackageQuantity : 1 ItemShape : Rectangular ItemTypeKeyword : window-treatment-roller-shades Manufacturer : LazBlinds Material : Polyester ModelName : M_THJL_083 ModelNumber : M_THJL_083 MountingType : Inside Mount/Outside Mount MountingType1 : Inside Mount MountingType2 : Outside Mount NumberOfItems : 1 NumberOfPanels : 1 Opacity : 1 inches OperationMode : Manual PackageLevel : unit PartNumber : P-THJL-083 PatternType : Solid ProductDescription : LazBlinds Cordless Roller Shades, Blackout Blinds for Windows, Thermal Insulated UV Protection Waterproof Fabric, Free-Stop Roll Up Pull Down Shades for Home and Office ProductSiteLaunchDate : 2023-05-06T09:19:51.851Z RecommendedUsesForProduct : Indoor RoomType : Nursery RoomType1 : Living Room RoomType2 : Bathroom RoomType3 : Bedroom RoomType4 : Dining Room RoomType5 : Office RoomType6 : Nursery RoomType7 : Living Room Scent : Unscented Size : 31'' W x 72'' H SupplierDeclaredDgHzRegulation : not_applicable SupplierDeclaredDgHzRegulation1 : storage SupplierDeclaredDgHzRegulation2 : storage SupplierDeclaredDgHzRegulation3 : storage SupplierDeclaredDgHzRegulation4 : storage SupplierDeclaredDgHzRegulation5 : storage UnspscCode : 52131600 WaterResistanceLevel : waterproof