L+R Wheels For X/iaomi 1st generation 1s 1st SDJQR01RR SDJQR02RR /03RR robot vacuum cleaner Applicable Models xiaomi mijia 1s 1st SDJQR01RR SDJQR02RR SDJQR03RR describe: 1.These are not the Genuine /Original products,what we sell are Compatible Replacement Products. 2. maintain the cleaning efficiency of the robot while reducing the ingress of dust, pollen and other allergens to the air you breathe. 3.For best results, should be replaced every 2 to 3 months. 4.If package lost or broken in transit ,we will refund money to you,you should contact us ASAP. We will help you to resolve the problem. Notice: Light shooting 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. _x000D_ Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-Minnanxin