Bestie of Reptiles : It supplies your reptiles and amphibians with a continuous supply of fresh, clean, aerated drinking water. The continuously flowing water also raises humidity levels in the terrarium. Safe : Made from hard, non-porous and nontoxic food-grade resin , make no harm to your reptiles and very easy to clean. Durable : Comes with 2.5W/110V DC pump, meaning its low wattage and efficient to use. There is a 2 year warranty, though as long as the small pump is well maintained there should be no issues. Adjustable Flow : The force of the flow can be adjusted to provide as good a flow as you require. Included is a carbon pad, helping to clean and purify the water. (1L Capacity,we suggest you to clean it once a week.) Suction Cup : Very stable, not easily tipped over by larger reptiles. Comes with a suction cup on the back which allows for easy installation onto a glass surface.