New Upgraded motors design improves performance.Helps keep hair and debris out of the brush motor.Better design with a better brush and screw.Model Number: for irobot Roomba 500 600 700 800 560 570 650 780 880 seriesVacuum Part Type: MotorsType: Vacuum Cleaner PartsCompatible with: iRobot Roomba 500 600 700 800 900 seriesiRobot Roomba 510iRobot Roomba 530iRobot Roomba 531iRobot Roomba 532iRobot Roomba 533iRobot Roomba 535iRobot Roomba 536iRobot Roomba 540iRobot Roomba 545iRobot Roomba 550iRobot Roomba 551iRobot Roomba 552iRobot Roomba 560iRobot Roomba 561iRobot Roomba 562iRobot Roomba 570iRobot Roomba 580iRobot Roomba 581iRobot Roomba 585iRobot Roomba 595iRobot Roomba 600iRobot Roomba 610iRobot Roomba 620iRobot Roomba 630iRobot Roomba 650iRobot Roomba 653iRobot Roomba 654iRobot Roomba 660iRobot Roomba 700iRobot Roomba 760iRobot Roomba 770iRobot Roomba 780iRobot Roomba 790iRobot Roomba 800iRobot Roomba 870iRobot Roomba 880iRobot Roomba 980Colour:blueMaterial:plasticSize:Side brush length: 65mmPackage Contents:1 x Upgraded motors1 x side brushOnly 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.