Character:
  automatically cleans your floor while you enjoy life
  Stair avoidance detector
  Non-marring bumper
  Virtual wall detector
  Wall following sensor
  Self-adjusting cleaning head automatically  
  traverses uneven floor transition
  As it cleans carpet ,hardwood,linoleum and tile.
  Easily slide out the bag-less particle bin to
  discard the dirt that it picked up
Specification:
  Main material:ABS,PP
  Input voltage of charger:100-240V AC
  Output voltage of charger:18C DC
  Voltage of battery:14.4V
  Unit average power:22watt
  Charge time of battery pack:4-6 hours
  Working time of battery:50-70minutes
  Unit size:¢34*6CM