Fluval P10 Aquarium Heater Designed for aquariums up to 10 litres, the all-newP seriesheaters are fully submersible and offer a safe shatterproof polymer construction. They are equally convenient, featuring a pre-set temperature and LED running lamp. An ultra strong and durable polymer casing surrounds the heater, protecting it (and tank inhabitants) from damage. With no adjustment necessary, the heater ispre-settomaintain a temperature of24 -26 C (76 -78 C)*. Whether in nature or in an aquarium, fish are sensitive to temperature fluctuations and can suffer from immune system shock if sudden shifts occur. Investing in areliable heating systemthat produces consistent water temperature will help ensure the well being of your livestock. Dimensions:5.3 x 0.78 x 0.59"(13.5 x 2 x 1.5 cm) Tank Capacity 10 Litres Wattage: 10w Australian Plug