ExpiRobot Roomba i4+ EVO (4550) Self-Emptying Robot Vacuum - Certified Refurbished @ eBay US

20% LARGER BATTERY - Larger battery for extended runtime. Compared to Roomba i3/i3 plus Robot Vacuum 

POWERFUL CLEANING--SCHEDULED AROUND YOUR LIFE - Whether you're relaxing at home or out enjoying life, the Roomba i4 plus EVO robot vacuum takes care of stubborn dirt and messes with a Premium 3-Stage Cleaning System and 10x the Power-Lifting Suction. Compared to the Roomba 600 series cleaning system 

CLEAN BY ROOM, YOU'RE IN CONTROL - Roomba i4 plus EVO learns your home and creates an Imprint Smart Map so you can direct it to clean any room you want, any time you want--either on a set schedule or in the moment. 

DONT LIFT A FINGER FOR MONTHS - Now you can forget about vacuuming for months at a time with the Clean Base Automatic Dirt Disposal that allows the i4 plus EVO to empty itself into an enclosed bag that captures 99% of particles as small as .7 microns and holds up to 60 days of cleanings. 

MORE THOUGHTFUL THAN YOU THOUGHT - The Roomba i4 plus EVO takes vacuuming off your mind with personalized cleaning suggestions powered by the unique intelligencce of iRobot OS. Learns your habits and your routines. 

PRECISION CLEANING IN TIDY ROWS - The robot vacuum cleans intelligently in straight lines back and forth, to thoroughly clean your floors while navigating around furniture. When the Roomba i4 plus EVO needs to recharge, it will resume right where it left off ensuring a complete clean. 

FOCUSED CLEANING YOU CAN COUNT ON - iRobot's Patented Dirt Detect Technology allows the Roomba i4 plus EVO to detect dirtier areas of your home and clean them more thoroughly. Integrated sensors tell the robot where it can and can't fit, so it doesn't get stuck under furniture. 

PERFECT FOR HOMES WITH PETS - Instead of using a single bristle brush, Roomba i4 plus EVO uses Dual Multi-Surface Rubber Brushes that flex to adjust to different floor types and avoid getting tangled with pet hair.

CLEAN BY VOICE - Start cleaning one room or every room with Google Assistant and Alexa and let the robot take care of messes in the moment. Works with Google Home and Alexa enabled devices.