Package including: Sticke-style thermometer*1Bottom protective cover*1Powerful suction cups*2 Recommended for: 25-50 gallon Tank betta fish tank Turtle tanks Seawater and freshwater HITOP Mini size aquarium heater 200W with controller Easy to use aquarium heater(3 steps): Press the setting button, adjust to the desired temperature then stop.The red indicator light is on, the heater starts to heat, and the controller displays the real-time water temperature.When the heating is completed, the heating will stop automatically, and the green indicator light will be on. Size:10inL * 0.7inW Voltage: 110-120V/60Hz Adjustment range: 68-93℉ Material: Quartz glass tube and filled with quartz sand Features External temp controller Red and green indicator lights and temperature display - easy to read. Thickened quartz glass This aquarium heater is made of thickened quartz glass, and has good sealing performance to prevent water from entering. Long cable wire Easy to connect to sockets and install anywhere in the fish tank. LED temperature display The LED temperature display shows the real-time water temperature of the fish tank after the temperature setting is completed, and you don't even need a thermometer anymore. Memory This heater has a power-off memory function, and it will automatically maintain the previous temperature setting when it is turned on again after a power failure. Error is ±2℉ It is recommended to fully immerse the heater in water and install it obliquely in a place with good water circulation.Then the Heating error will less than 2 degrees Fahrenheit. Provides a comfortable temperature for the fish. 25W 50W 100W 200W 300W Add to Cart Add to Cart Add to Cart Add to Cart Add to Cart Customer Reviews 4.4 out of 5 stars 953 4.4 out of 5 stars 953 4.4 out of 5 stars 953 4.4 out of 5 stars 953 4.4 out of 5 stars 953 Price $16.97$16.97 $17.97$17.97 $18.97$18.97 $19.97$19.97 $21.97$21.97 Recommended for 1-6 gallons 5-15 gallon 10-25 gallons 25-50 gallons 45-70 gallons