robotvacuum cleaner * automatically clean your floor without any hand labor while you enjoying life ; * Its compact size enable it to reach under furniture and other hard -to-reach ; * self-adjusting cleaning head automatically traverses uneven foor transition; *more than72 db noise, garbage can away from the hearing, environmental protection, health ; * The battery voltage, battery charger will automatically look for charging, charge complete, off to sleep, safe and reliable; * A special sensor device that will automatically drop the event of the stairs, or turn, to prevent the fall; * Built-in dust box, extraction cleaning easy; *A special sensor device that will automatically drop the event of the stairs, or turn, to prevent the fall; Bullt-in dust box, extraction cleaning easy *it can be go back to charge automatically when the battery is low, when the battery is full, it will leave the charger and keep in dormancy condition; *changeable operating way ,such as wave, circular, aside, and auto clean to your own needed. *have the ant-icollision function ,when it test the obstacle,will be by bypass Specification: *Main material: ABS *Weight : 5KG *Inputvoltage of the charger: 100 240V(can design the voltage of the charger as your country's) *outputvoltage: 24V DC *power: 50W *CleaningMode: Circular, Aside, Wave ,Automatic clean *Working hours: about 40Minute ,when the battery is lowit ,will find thecharger automatically Accessories: *Charger*1 *Remotecontroller*1 *Manual*1 *Remotecontrolbattery*1 *Side brush* Packing: Each one in a color box ,unite size of the color is 52*16.5*42cm .2pcs in one carton ,unite size of carton is53.5*44*35cm GW: 12.64KGS NW: 9.6KGS 20' (320 carton*2pcs) 40'(665carton*2pcs) 40HQ(829carton*2pcs) Certificate: CE.GS.ROHS, NI-MH With environmental protection, not memory function. For charger