Solar Air Pump?2.5W Solar Oxygen Air Fountain Pump with Air Bubble Stones, 3 Modes Solar Powered Air Pump Kit for Garden Fish Tank Pool Fishing Pond

Eco-friendly noiseless solar air pump, with 3 working modes, make use of sunlight as power source, will be your ideal choice to add fresh air into fish tank, small pool, pond, aquariums. Due to compact size, it is easy to take, especially good for fishing. Solar Air Pump Specification: Type: Solar oxygen air fountain pump Material: ABS Solar panel: 2.5W, PET laminated Built-in battery: 3.7V 1800mAH Sound: less than 60dB Minimum air flow: 0.6L/min Product working voltage range:3.0V?4.25V Discharge protection voltage: 3.0V Over charge protection voltage: 4.25V Working time on fully charged battery: 20 hours Air Hose Length: 3.54ft Cord Length: 9.6ft Package Weight: 24oz Package Included: 1 Solar Panel with Stake 1 Air Aerator 1 Connecting Tubing 2 Air Hoses 2 Air stones 1 User manual Warm Tips: 1. The aeration part of solar powered air pump Kit can not be put in water, the air inlet and air outlet hole can not be blocked. 2. Please clean the dirt on solar panel regularly to improve the charging efficiency.