... .37 L dust bin capacity(04) Stair Avoidance Detector (05) LCD screen on remote controller,can set everything (06) Different battery ... the blind corner,such as,behind of bed,desk.(12) Automatic Self-Recharging: the cleaner will automatically seek charging base plate ... yourself) robotic vacuum cleaner,white color, UV lamp for sterilization ,with CE,ROHS, paypal is ok. strong battery