• model name : LG Roboking (VR6340LVM)
• brand : LG electronics
• country of origin : Korea
• color : red night
• charging type: automatic charge
• charging/using time: 180min/100min
• product size, weight : 340 mm×340 mm×89 mm / 3.0 kg
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[MAIN SPEC]
- square design for perfect cleaning effect 
  : available to clean any corners (it goes to corners and cleans, then it makes turn.)
- 1.5cm longer side brush : cleaning ability test 
  : cleaning ability test: sprayed green tea powder on 10*10cm space (LG roboking_cleaning efficiency 94%/ other cleaner_ cleaning efficiency 59%)
- clean everywhere by supersonic sensor 
  : as 3 supersonic sensors detect the front upto 180 degree and steer clear of  furnitures, it minimizes damage, 
  : self position memory (even though you stop it for changing rag, it remembers cleaned area and cleans
    oher place.)
  : cleaning mode (clean wide space fast by moving in zigzags.)
- various extra functions
  : quiet (48dB)
  : attachable rag 
  : available to cross the threshold(about 1.5cm), lock, mute