Malloy Aquarium Heater Adjustable Submersible Fish Tank Heater 25W Digital Display External Temperature Controller 18-34°C

soldering electric heating wire: a new type of soldering electric heating wire, filled with sand to surround and heat up, fully converting heat energy, quickly accumulating energy and saving electricity Temperature adjustable: USB micro-type cylinder heating rod for precise temperature control The temperature is set between 18-34℃, accurate to 0.1 degrees to give the desired temperature for fish. Application: It is specially designed for small fish tanks and does not occupy any space. Acid and , universal for fresh/seawater tanks Compact: As small as a thumb, it does not take up space and is suitable for mini fish tanks and micro-tanks with a water capacity of up to 4L After Tested: We are always committed to providing you with better products. We went through a very selection process from material to design.