Fangrui Product Details Description/features: 1. Equipped Easy Installation 2. Easy To The Old And Broken Motor 3. The Motor Works Excellent And Stable 4. Solve Problems That Report The Fault 5. Real Materials Cast With Specifications: Applicable To The Following Fault Situations: Note: If Error 1 Occurs, The Laser Head Rotates Normally And It Is Usually Not A Motor Problem. 1. Repeated Restarts Of The Sweeping Machine Result In The Laser Head Being Unable To Rotate And Reporting Fault 1 2. After Working For A Few Minutes, The Vacuum Cleaner Reported Fault 1 And The Laser Head Stopped Rotating Material: Metal Colour: As Shown Package Contents: 2 X Gear Transmission Motor 2 X Screwdriver 4 X Screws 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. 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.