PGFUNNY 25W Aquarium Heater, Fish Tank Heater for Betta Smart Thermostat, Slim Design Fit 3 to 5 Gallon Tank, with…

It is designed to work underwater only, please NOT turn it on when it’s outside water, as dry burning might lead to malfunction. Please don’t put it in the water if the wire or heater damaged

【Fully Automatic Temperature Control Design】: The Aquarium heater equipped automatic temperature control system, The temperature regulates automatically between on 77℉ – 82℉ depends on the water temperature in your fish tank. When the water temperature is lower than 77℉, It will start to heat; when the water temperature is higher 82℉, the heater will automatically turn off.
【Suitable for 3-5 Gallon Tank】: The 25W fish tank heater design fit for small fish tanks which can contain 3 to 5 gallons of water. If there is an area of sand or decoration in your tank, the water volume will lower than the tank bulk, you need to select another lower power heater to ensure it will not overheat.
【Advanced Materials】The small betta heater is made of sturdy engineering nylon and glass fiber, which is flame retardant, constant and stable. the energy-efficient heater measure 5.35“ * 0.9” * 0.63“(L*W*H) suitable for aquarium pets such as turtles and fry.
【Come with Thermometer Strips】: By using the Thermometer Stripe, you will be able to monitor. An easy to identify blue color shows the current temperature of your aquarium water. Temperature Stripe is for reference only. Note: The temperature strips should stick on the outside of the fish box and level with the heater. due to the different materials of glass, the shown temperature may be delayed.
【Quality Assurance】: This product fish tank heater has certificated by CE, ROHS, FCC, and UL1018. Anti-explosion, Waterproof, Scald-preventing, safe operation for pet betta fish. Working power 25w, frequency: 50/60Hz, voltage: 110-120V, waterproof rating IP68.