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 use It will have slight scratches caused by transportation,please kindly know.Best wishes! Installation: need professional tools to install,please kindly know. Colour:black Material:plastic Package 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 minutes Shipment: 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.If you have an y dissatisfaction, please contact us before completing the rev iew.We will give you a satisfactory answer. 3.If there is no problem, please give us 5 stars positive feedback.