Front: infrared fittings, handle, low battery indicator, the Start button, trash boxes. Back: rechargeable battery, side brushes, dust bin, filter. Side: power switch, charging interface. Method of use: charging: charging must be at least 8 hours for the first time, the entire charge time is about 4 hours, about 1 hour. Batteries can be recycled more than 800 cycles, normal family can be used for about 2 years. Room size themselves select: small document, wisdom stars will in about 3 feet of diameter range within spiral of repeatedly movement, focus on a a place for concentrated clean, work time about 4 minutes, this mode applies Yu room local dirty ground of clean; mid-range, wisdom stars will automatically in room for cleaning, work time about 30 minutes, this mode applies Yu area smaller of room; big document wisdom stars will has been run, until power all runs out weizhi, work time about 60 minutes around, If you use the automatic charging dock, wisdom stars automatically search returns the base charge. Low battery indicator red light. Work: robots are run according to different models. If the machine works the way from Antioch, also will shut down automatically after three seconds. Side, side brushes sweep can be replaced. Virtual Wall transmitter IR does not cause harm to pets that had been shot, it formed by infrared virtual wall that had been shot up to 3.9 meters wide, effective distance (long) has three gears, 0-3 m, 3-7 m, and more than 7 m.