Description: Made of ABS plastic, durable and safe. USB heating rod, temperature adjustable. The display accuracy is 0.1C, simple operation. Electronic temperature control type adjustment instructions: single press the switch to display the number flashing, press + or-to adjust the stop temperature. Function adjustment type: low-end heating 2-3 degrees; mid-range heating 3-5 degrees; high-end heating 5-9 degrees, the better the heat preservation effect of the heated water area, the higher the heating effect. Mini size, saving space in the fish tank and is more beautiful. Suitable for fighting fish tanks, mini tanks, turtle tanks, horned frogs, pet drinking water, etc. Specification: Material: ABS Plastic Maximum Power: 5W/5V/1A Cable Length: 1 Meter Water Volume: 1.5 Liters Power requirements: 2S or more adapter or power bank. Temperature control conditions: preset stop and resume temperature. Heating temperature: The maximum power does not exceed 5w, and the heating temperature is 4.2 degrees Celsius per liter per hour without heat. Size Chart: Length: 5cm/1.97inch Package Includes: 1 Piece Fish Tank Heating Rod Note: 1. Please allow slightly error due to manual measurement. 2. Due to the difference between different monitors, the picture may not reflect the actual color of the item. 3. Wish you a wonderful on-line shopping!