Find Vacuums And Power Floor Sweepers at Target.com! 2015 Innovation Award Winner the Kobot RV337 Robotic Vacuum features a Auto Charging Home Base. When the battery on the RV337 is running low, it will start its journey back to the home base and auto charge the battery. This robotic vacuum is equipped with a Fall Prevention. This patent pending digitally coded light source technology uses sensors to prevent the vacuum from falling down stairs. No need to worry about cleaning near furniture, this machine has touch sensitive bumpers that won't harm your furniture or wall baseboards. This robotic vacuum can transition from a hard floor to carpet or rug with ability to climb up to 5/8. Color: Silver.