I Robot 675. Works great! Thoroughly cleaned and new parts installed!

•Capacity volume - .6 liter. Works with Alexa for voice control (Alexa device sold separately) •Clean and schedule from anywhere with the iRobot HOME App; compatible with Amazon Alexa and the Google Assistant •Patented 3-Stage Cleaning System and Dual Multi-Surface Brushes pick up everything from small particles to large debris •Full suite of intelligent sensors guide the robot under and around furniture to help thoroughly clean your floors •Auto-Adjust Cleaning Head automatically adapts its height to effectively clean carpets and hard floors