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

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

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

4.     LCD display , you can check the work going of the machine

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

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

7.     Five kinds walking lines , QQ2-L can ensure anywhere you allowed in your home .

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

9.     Can be check the stair and any obstacle