1.Cleaning cloth can touch border directly

2.Cleaning cloth twist won't damage the glass

3.Suction air

4.Negative pressure zone suck in air and take a lot dust and bacteria. And these won't accumulate on the cleaning cloth

1.Risk-free to clean in tall building

2.Intelligent cleaning route

3.Triple dleaning properties

4.Microcomputer control

5.Vacuum absorption

6.Intelligent cleaning

7.Multiple control system

8.MEMS Detect

9.Multiple security assurance