Description: Double Protection: USB heating rod, the temperature can be adjusted from 18-34 degrees, automatic power off when the temperature exceeds 36C. LED Temperature Display: Aquarium Heaters Featuring Digital LED display, easy to read, suitable for 1-2L water. Compact: Mini size, saving space in the fish tank and is more beautiful, you can mount on the outside edge of the tank. Adjustable Temps: 18-34Cadjustable temperature, the adjustment accuracy is 0.5C or 1F, and the display accuracy is 0.1C, simple operation. Wide Application: Aquarium Fish Tank Heater is suitable for fighting fish tanks, mini tanks, turtle tanks, horned frogs, pet drinking water, etc. Note: The product needs to be equipped with a 5V or 2A adapter. Please ensure the voltage of the adapter, otherwise the product will not be heated. Specification: Material: Pp Tube Power: 10W Voltage: 5V 2A Cable: 1.3m Port: Type C USB Temps: 18-34C. Water Volume: 1-2L Size Chart: Heater Rod: 5.2cmx1.9cm or 2.05inchx0.75inch. Controller: 6.5cmx3cm or 2.56inchx1.18inch. Package Includes: 1 Fish Tank Heater Rod