DONGKER Aquarium Heater,10W USB Fish Tank Water Heater, Quartz Glass Submersible Thermostat for 3L Saltwater and Freshwater(C)

Note: The Heating Rod Must Be Completely Submerged in the Water When Using It. that the output voltage must be 5V 2A.Using USB power supply plug, mobile phone charging power supply / mobile power supply can be connected to use Explosion-proof Quartz Glass Material: Strong, Corrosion-resistant, Automatic Constant Temperature, Automatic Power-off Over 36°C/96°F.Prevent your fish or turtle from being injured by touching the heater. Externally Controlled Electronic Temperature Adjustment: Using Intelligent Frequency Conversion Technology. 3-digit Display to Accurately Control the Temperature, With An Adjustment Accuracy of 0.5°C 1℉ Compact Small Heater: fast heating for small aquarium.The water body can be heated within 3L at room temperature above 18°C, and the water body within 2L can be heated at room temperature below 18°C SHOP WITH CONFIDENCE: To Provide You With the Highest Quality Service, If You Have Any Question, Please Contact Us.We Will Provide After-sales Service .