Ultra low noise,no more than 50dB Wireless remote Equipped with static rag and cleaning brush The computer guidance system Clean automatically Automatic recharging Automatic checking of the rubbish Sterilizing with UV lights Anti-fall probes Virtual wall induction Changeable operating speed The cleaning robot can free itself when it is got stuck by articles. Cleaning along the wall can guarantee the efficiency of the whole room cleaning. Dimension : h 8.5cm l32cm Package : 58*42*55.5cm Weight : 2.8kg.