Product Information:Solar panel power: 2WSolar operating voltage: 6VSolar size: 110 * 136MMWorking current of solar panel: 0-330maMAAir pump aerator built-in battery capacity: 2000MAGas volume: 1.6L/mINISize of aerator: 90 * 65 * 35MMGas pipeline length: 100MMUSB power cord length: 50MMFeatures:1.Connect the bubble stone to the vent hole and put it into the water body that needs oxygenation. The solar cell is facing the sunlight, and there is no obstruction between the solar cell and the sunlight. Press the POWER switch and the oxygen pump starts working.2.This product is an electronic product. The oxygen-increasing part of the device cannot be placed in the water, and the diversion hole cannot be blocked.3.This product is a solar energy product. The charging speed is related to the intensity of sunlight. Regular cleaning of the dirt on the solar cell can improve4.Mini portable air pump is small in size, light in weight, and easy to carry and use. Anti seismic and waterproof5.The solar air pump is made of high quality materials, which is environmentally friendly, anti-seismic and waterproof .Package Included: 1 x 2W solar panel 1 x Air tube 2 x Gas stone 1 x Mountaineering buckleNote:1.Please allow 0.5-1 inch difference due to manual measurement. (1inch=2.54cm)2.The color of the actual items may slightly different from the listing images due to different computer screen.