Bullet Points: 1. Temperature Control: This electronic thermostat is suitable for the growth environment of tropical fish, as it prevents the water temperature from being too low or too high, which affects fish health. It can automatically adjust the water temperature and keep it at around 30C. 2. Safe Material: It does not emit any harmful substances or radiation that could affect the health of your fish, turtle, or other pets. Moreover, it has an anti-leakage design that prevents water from entering the 3. Over Temperature Protection : The heating rod will automatically stop heating when the water temperature exceeds 30C, avoiding boiled fish situations and balancing the fish tank's ecological environment. 4. Rapid Heating: The electronic thermostat features a nickel soldering heating wire that h eats up rapidly and has a Small Thermal Heater . The Heat Radiation Transfer Distance is Long and energy Saving. 5. High Power: Provide Warmth for Your Little Pet in a Compact Size. suitable for small fish tanks and can create a comfortable water source for your pet. Description: Looking for a stable temperature for your mini aquarium? L ook no further! Our Efficient heating material ensures safe use and can handle water temperature up to 30C. Plus, it's designed to be space-saving, perfect for your small aquarium setup. Specification: 1. Item type : submersible aquarium heater 2. Interface: USB 3. color: white 4. Size: 56*5.6*56mm/2.2*0.22*2.2in 5. Can raise water temperature: 6-8C 6. Applicable water body: 2.5L 7. Power: 10W P acking List: Submersible aquarium heater x1 Notes : 1. Due to the different monitor and light effects, the actual color of the item might be slightly different from the color which is shown in the pictures. 2. Please forgive a slight measuring deviation due to manual measurement. _x000D_