Product name: Aquatic MINI HEATERProduct specifications:Voltage: AC 220-240V Frequency: 50HzLength Of Cable : 1.5Mpower : 15 wSize : 13.7 cm(length)* 6 cm (width) * 4 mm (thickness)Product features:Mini Aquarium Heater helps increase by a few degrees the water temperature of mini aquariums compared to the room temperature where they are positioned.Raises temperature approximately 5 degrees Fahrenheit in a 2 gallon tank and 4 degrees Fahrenheit in a 5 gallon tank.Compact heater for small desktop aquariumsSafely increases water temperature by a few degreesFlat and easy to conceal in miniature tanks and bowlsCompletely submersibleProduct color: blackProduct introduction:This product contains no temperature control part， constant temperature of 25 degrees or so， small power will not result in a big increase in water temperature in cylinder and when using please rest assured!Constant temperature heater heating indicator light and temperature regulator， plug the start working， the built-in automatic constant temperature sensor chip， complete automatic control， only needs to be completely submerged in water， water temperature automatic control keep at 25 degrees or so， the best water level (fish keep turtle is between 24 degrees to 26 degrees)