1.    The height of QQ-2 is 9cm , it is very good at clean the dirty place bellow SOFA and bed .

2.    Remote control , very small adjust to change QQ-2’s walking direction .

3.    Self- charging function ,it can find the station when the battery is very not enough and self charge automatically

4.    The noisy is only 76dB , it won’t take you the “HEARING”pollute .

5.    UV light can kill the bacturiem up to 90% on your floor .

6.    Five kinds walking lines , QQ-2 can ensure anywhere you allowed in your home .

7.    As it can send out the good smell as it is working if you put the essential oil in machine.

8.    Can be check the stair and any obstacle.

9.    RoHs, GS, CE , UL certificate.