NoticeBefore placing an order, please make sure that your device model is the relevant compatible model mentioned on this product page. You can check the specific product model on the nameplate at the bottom of the device (many sweepers have very similar names and need to be differentiated according to the specific model), and if you request a refund for the wrong product, you will be responsible for round-trip transportation.1. These are not genuine/original products from Xiaomi or Stone Technology/iLife/Dyson/iRobot/360/Ecovacs/Conga, we are selling brand new compatible replacement types.2. All kits are included in the package, the picture shows which option you have selected above.3. If the package is lost or damaged in transit, we will return it to you, you should contact us as soon as possible.4. Please give us a chance to solve any problem. We understand that if the order is wrong, it may bring you unpleasantness, but we will try our best to give you a satisfactory result.We have been pursuing customer satisfaction and working hard. If you have any questions, you can contact us at any time. I am very happy to serve you.