Support and Wholesaling.Weofferdiscountforlargequantity.Welcometocontactwithus!The switch button is an accessory to ensure the quality.Suitable for dyson HD01 HD02 HD03 hair dryer 110V/220V can be in common useIt will have slight scratches caused by transportation,please kindly know.Best wishes!Installation:need professional tools to install,please kindly know.Colour:blackMaterial:plasticPackage Contents:2 Set x switches (with buttons)Only the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.Payment :1.Payment must be made within 5 days of order.2.If you can't checkout immediately after auction close, please wait for a few minutesShipment:1.We supply World shipping. (except few countries and APO/FPO).2.All orders will be processed first time once the payment verification passed.3.Actual delivery time may be different , particularly during the holiday season.Feedback:1.Please make sure that there is no problem with the products.2.Ifyouhave any dissatisfaction, please contact us before completing the review.We will give you a satisfactory answer.3.If there is no problem, please give us 5 stars positive feedback.