... Roomba Vacuum Cleaner 1,Auto Recharge Base 2,Special Virtual Wall 2 IR Ways 3,Wireless Remote Control 4,Backlight LOGO 4 in 1 Multifunctional Robot Roomba Vacuum Cleaner ... you enjoy life(01) 4 In 1: vacuuming, sweeping, mopping, UV disinfection(02) Space Isolator Detector, it is with 2 IR ways(03) 0 ...