Low Battery Indicator: Powered By Two Aa Batteries (Not Included), The Wall Barrier Features A Low Battery Indicator Light, Effectively Helping You Monitor The Machine'S Working Range And Size. | | Application: Navigation Wall Barrier Is Suitable For Roomba 500 600 700 800 900 E5 I3 I7 Series, Providing And Consistent Performance Over An Extended Period Of Time. | | And Rust Resistant: Crafted With Abs Materials, The Wall Barrier Is Built To Last, Resisting Rust And Remaining Resilient Against Dirt And Wear. | | Effective Barrier Control: Efficiently Manage The Movement Of Vacuum Cleaner By Keeping It Away From Unwanted Areas Using The Navigation Wall Barrier. | | Precisely Define Working Zones: Utilize The Wall Barrier'S Functionality To Restrict The Cleaning Robot To Specific Areas, Ensuring Thorough Cleaning Where It Is Needed The Most. | |