5W Battery Backup Solar Air Pump Bubbler for Fish Pond, 24-72 Hours Output, 20 ft Extension Cable, 3 Modes(Intermittent), 22.2GPH, Hose Bubble Stone, Solar Aerator Oxygenator for Outdoor Small koi Pond, Backyard Hydroponic Tank Working mode, 1). High level (20.6GPH): 24 hours working time(Charged fully), green LED indicator 2). Low level (11.1GPH): 48 hours working time(Charged fully), dark blue LED indicator 3). Intermittent mode, 10 seconds off/on: 72 hours working time(Charged fully), sky blue indicator Specification: 1. Solar panel, Voltage: 5W, 10V size: 6.9 x 10.8 x 0.7 inch (17.5 x 27.5 x 1.7 cm) Material: aluminum alloy frame with corner guard and bracket 2. Battery, 7.4V 2400mAH Fully charging time: 8 hours 3. Oxygen pump, Max air output: 84L/H (22.2GPH) Noise: less than 60dB Pump type: DC air pump Rated voltage: 6.0V 4. Accessories, Hose length: 1.1 m + 1.1 m + 0.37 m (3.6 ft +3.6 ft + 1.2 ft) Extension cord Length: 3 m + 3 m (10 ft + 10 ft) Packing list: 1 x Solar Panel 1 x Air Aerator with cable 1 x Hoses 2 x Air stones 1 x Extension cable 2 x Mounting bracket 1 x User manual 【Rechargeable battery】17.76WH, 7.4V, 2400mA, 5W, 8 hours fully charging, 22.2GPH Max air output 【10 ft (3 m) + 10 ft (3 m) extension cable; noise less than 60dB when bubbling】long wire gives you more installation options 【3 levels of output, long times of aeration after fully charged】 High (24 hours working, 20.6GPH ) + Low (2 DAYs working, 11.1GPH) + intermittent mode, 10 seconds off/on (3 DAYS working ) 【2 installation methods + Adjustable solar panel angle】 mounted on a wall or garden spike/fence; plug into ground comes with stake 【DIY home solar aerator bubbler】for sponge filter, guppies, aquaculture, bubble ponics, bait tank, etc ASIN B09YV12M7C Color Black Brand Name Generic Item Weight 1.4 Kilograms Manufacturer Lzmx Power Source Solar Powered Material Type Aluminum Operation Mode Automatic Air Flow Capacity 84 Liters Per Hour Item Dimensions L x W x H 10.8 L x 10.8 W x 0.7 H