TOOYFUL Fish Tank Heater USB,Aquarium Heater, Space Saving, Portable, Lightweight for Reptile Aquatic Terrarium Aquariums Accessories Style D.USB aquarium heater, which make it more convenient and flexible.Submersible small fish tank heater made of material, which is durable for long term use.Fish tank heating rod is completely waterproof and the bottom heating process is sealed.The heating rod is small in size and does not take up too much space in the fish tank. It is also easy to store and carryAquarium heater is suitable for saltwater tanks or freshwater, fish tank, aquarium.Aquarium Heater Tank Heater Mini 10 w. USB Submersible Heater Aquarium Heating Rod. Mini USB Tank Heating Rod for Turtle Tank. Small Aquarium Turtle Tank Heater Protection. Tank Heater Thermostat Temperature Controller. Brand: Tooyful Manufacturer Part Number: Does Not Apply Manufacturer: TOOYFUL Assembled Product Dimensions (L x W x H): 3.94 x 3.94 x 3.94 Inches