Specification:

Material: ABS
Single Hole Air Pump Size: Approx. 7x12cm / 2.8x4.7in
Use: Fish Tank, Outdoor Fishing Oxygen Pump
Power: Single Hole 1W
Air Volume: Single Hole 3L/min
Battery Type, Capacity: (included)
Single Hole Air Pump: 1 x Lithium Battery (2600mAh)
Suitable for Fish Tank: Single Hole 50-80L, 

How to Use:
1. When charging for the first time, charge for 6‑8 hours. All four power indicators are on to indicate charging. After the battery is fully charged, the four power indicators automatically turn off and the charging state is automatically turned off.
2. Switch the indicator light, the motor turns on and the motor turns off.
3. Lightly press the on/off key to turn on the power, the power indicator light is on, and the 4 power indicator lights are displayed according to the current power level (four lights all on means 100%, three lights on means 70%, two lights on means 40%, one light on means 10%);
4. When the product is turned off or charging, press it lightly to enter the intermittent state, and the intermittent indicator flashes (in intermittent mode: work for 10 seconds, stop for 10 seconds). Press it again to enter the continuous working state of the motor, and the intermittent indicator light turns to be always on (not flashing). Press it again to enter the shutdown state, and all the indicators are off.
5. Whether it is in the process of charging or after charging, you can follow point 4.
6. When in the running state (intermittent mode or continuous mode), plug in the charger, and automatically switch to the DC power supply mode after a 220V power failure (maintain the original intermittent mode or continuous mode).
7. When in the running state (intermittent mode or continuous mode),