700ml Good Robot vacuum cleaner 1) Auto-recharging, Vitual wall 2) Anti-fail 3) Low Noise, 4) CE/GS/UL/Rohs Hot Intelligent Robot vacuum cleaner RVC-6998-year export experience on relative line, we promise you "perfect quality, competitive price, good service"2-year quality warranty since the day you receive cargo ! 1:Intelligent scan system: calcutor the cleaning time for the whole room,remember ...