robotic vacuum cleaner,Automatic Self-Recharging,white color battery:90-130 mins, Remote Control,mopping Specification:Unit Size: ... ) Stair Avoidance Detector (05) LCD screen on remote controller,can set everything (06) Different battery power for choose(only one for ... user can solve the problem by yourself) robotic vacuum cleaner,white color, UV lamp for sterilization ,with CE,ROHS, paypal is ok ...