🐟HITOP Compact size aquarium heater 200W with controller, suitable for seawater and freshwater heating, betta fish and turtle tanks and other small fish tanks 25-50 gallon. 🐟Easy to operate: This fish tank heater is easy to use, 5.6Ft long cable wire and the external controller can easily set the temperature, and the temperature adjustment range is 68-93℉. 🐟Easy to read temperature: The controller of this heater has Digital LED temperature display, which can display the real-time water temp and set temp, so that you can know the temperature changes in the fish tank easily. There is also a clear heating indicator on it. 🐟Fish-friendly: This aquarium heater is made of thickened quartz glass, and has good sealing performance to prevent water from entering, making it a more fish-friendly heater. 🐟Package: Comes with two suction cups, a bottom cover, and a sticker-thermometer. Please check the product carefully before using it, we provide a 12-month after-sales service for this product. HITOP Mini Submersible Aquarium Heater 25W 50W 100W 200W 300W Digital Small Heater for Fish Tank 1-70 Gallon with Controller