1. Automatic pressure maintenance and automatic air supply
2. External exhaust+automatic cleaning and dust removal
3. Double filtering (DX31)
4. Suitable for smooth and slightly rough tiles
5. Built in replaceable 1200mAh lithium battery
6. Integrated digital display screen
7. Long press to turn on/off, short press to start,double click to release pressure, triple tap for automatic cleaning
| Sucker Size | 8 inchs (20cm)、9 inchs (22cm) |
| Packing List | Plastic box, suction cup, Type-c charging cable |
| Handle Color | Black, red, Gray or custom |
| Button Function | Long press boot, double click power off |
| Power Supply | 3 .7V lithium battery、4V lithium battery（DX11） |
| Output Voltage | 3.7V、4V（DX11） |
| Charger | USB/type-C |
| Charging Time | 3 hours |
| Battery Type | 18650 cells |
| Battery Capacity | 1200mAh*2、1200mAh* 1（DX11） |
| Battery Life | More than a week |
| Power | 3W |
| Material | PA6+rubber |
