Description Feature: 1. DCAC dual use oxygen pump, convenient and energy saving. 2. Suitable for field fishing, office fish tank, tank power failure, a small amount of live fish transportation. 3. Multi-way charging: USB charging, car charging, power bank charging, computer charging. 4. Silent, anti-slip, anti-shock base. 5. 2 operating modes (continuous operation and segmented operation) are more energy efficient and can be switched automatically when power is off. The battery lasts for up to 10 hours. 6. Support USB charging, more user-friendly, more convenient. 7. Buckle design. It is convenient to fix and carry, more humanized and convenient. 8. It is compact and easy to carry. 9. Stable pressure, low power consumption, 10 hours of battery life. Specification: Condition: 100% Brand New Item Type: Oxygen Pump Material: ABS Color: as picture shown Plug: US 100-240V Option: LT-101S, LT-201S LT-101S: Rated power: 4W The maximum exhaust capacity: 1L/min Rated voltage: AC100-240V/50Hz Maximum pressure: 0.016MPa Oxygenation port: about 5mm LT-201S: Rated power: 4W Maximum discharge: 2 1L/min Rated voltage: AC100-240V/50Hz Maximum pressure: 0.016MPa Oxygenation port: about 5mm DC hole: Dust plug (effectively prevent dust from entering DC hole) DC hole (power supply/charging) Adjust switch: (1) intermediate position closed state (2) move to the left, to continue to work (3) move to the right for intermittent working state Package List: 1 x Oxygen Pump1 x Power Plug1 x USB Cable4 x Base Plug