1. Automatic pressure maintenance and automatic air supply
2. External exhaust+automatic cleaning and dust removal
3. External replaceable 2400mAh lithium battery
4. Digital display screen
5. Long press boot, double click power off
| 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 |
