The mini aquarium heater is made of carbon fiber. It’s small and won’t take up a lot of space. The mini heater is used to heat the fish tank water and even the turtle tank water, and can not harm the small animal. Features: Features: Condition: 100% brand new Material: carbon fiber Power: 8W, 16W, 32W, 50W (optional) Cable length: approx. 147cm / 57.87in Size: approx. 17 * 3 * 2cm / 6.69 * 1.18 * 0.78in Voltage: 220V < span> Plug type: EU plug (please note if you need an adapter) Package list: 1 * heating Notes: 1 .Please allow 0-2cm error due to manual measurement. Thanks for understanding. 2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.