Features: 1. ABS material, wear-resistant and durable, 2W power solar panel, 6V solar working voltage, safe and convenient to use. 2. Long working hours, built-in 2000mAh lithium battery, after the sun goes down, the inflator can still continue to work, energy saving and environmentally friendly. 3. Easy to install, no wiring required, portable buckle design, convenient for use in various environments. 4. Independent physical button switch, mechanical touch feel, durable; bottom silicone pad reduces air pump vibration and noise. 5. Wide range of applications: can provide aeration for various aquariums, fish tanks, pools, and ponds. Especially suitable for emergency oxygenation during power outages, outdoor fish aeration, and small-scale water transport oxygenation. Specifications: Item Type: Solar Water Pump Material: ABS Solar Panel Product Size: Approx. 13.5 x 11 cm / 5.3 x 4.3 in Aerator Size: Approx. 9 x 6 x 3 cm / 3.5 x 2.4 x 1.2 in Weight: Approx. 311 g / 11.0 oz Solar Panel Power: 2W Solar Working Voltage: 6V Solar Panel Working Current: 0–330mA Air Pump Aerator Battery Capacity: 18650 Lithium Battery, 2000mAh (Built-in) Air Flow Rate: 1.6 L/min Gas Pipeline Length: 105 mm / 4.1 in Scope of Application: Suitable for various aquariums, fish tanks, pools, ponds, outdoor fishing, and household fishkeeping Package List: 1 x Solar Panel 1 x Pump 1 x Gas Pipeline 1 x Air Stone 2 x Connector 1 x Tee Pipe 3 x Short Tube 1 x USB Cable 1 x Carabiner