This solar water pump needs no battery or wire, just put the fountain pump on the water, then wait it turn on and work automatically. It would not produce any harmful substance, it is safe and environmental. Features: No battery or wire needed. It will turn on and work automatically. Simply cleaning, easily move to different locations, no plugs and pumps required. It runs automatically, no battery or electricity needed, just the sunshine. Easy installation, safe and environmental. It will continually offer water flower for your garden and patio. Solar water fountain is suitable for garden decoration, for bird bath, fish tank, small pond, water circulation for oxygen, and much more. Specifications: Item type: Water Pump Material: ABS Color: Black Voltage: 7V Power: 1.0W Maximum flow: 190L/H Top lift:1.1m Maximum spray height:0.65m Solar panel voltage:7V Solar panel power:1.5W Solar panel size:160mm(monocrystalline silicon) Service life: ≥10000Hours Package weight: 250g / 8.81ounce