The 25W aquarium heater is recommended for 3 to 5 gallon fish tank; heater length: 6.75”; power cord: 3.6ft; voltage: 110V/60Hz
Adjustable Temp: An easy-to-access dial on the top makes it a breeze to adjust the water temp from 65°F to 89°F.
Steady Temp: The red light automatic will shut off when the target temp is reached and then the heater keeps a constant temperature in your marine or freshwater aquarium.

【DaToo Mini Flat Aquarium Heater】: Still don’t know where to find a proper sized heater for your small aquarium? DaToo Mini 6W Aquarium Heater will be the perfect solution for you. This super mini flat heater is only the size of your thumb, built for desktop aquariums, safe and stable, durable and sturdy, can easily warm small aquariums up to 2 gallons, just a simple operation can let your pet have a warm and comfortable environment, easy to experience the joy of fish companionship!
【Safety And Stability】: DaToo Flat Fish Tank Heater adopts PTC ceramic heating structure, which can quickly and accurately warm aquarium water up to 5~9℉above ambient room temperature. When the water temperature rises, the power will automatically reduce to avoid overheating and maximize the safety of your fish. When the temperature decreases, the power will gradually increase to ensure that the water temperature is always stabilized at a comfortable temperature, energy efficient.
【Durable And Sturdy】: The surface of DaToo Flat heater is covered with a sturdy PVC protective shell to easily withstand powerful impacts and is corrosion-resistant, perfectly suited for water environments with different PH values. Unlike traditional glass heaters, the PTC ceramic heating element is more durable, explosion-proof and shatter-proof, and resistant to high temperatures and aging, which greatly improves service life and gives your fish a longer-lasting warm companionship.

Fish tank supply: it is made with exquisite craftsmanship, safe and durable, and will be your good choice,fish tank supplies.
Professional aquarium chiller: this is a solution for you to cool down your fish tank or aquarium, very practical,fish tank cool fan.
Small aquarium chiller: the whole appearance design of the fish tank cooling fan is simple and generous,water cooler.

【Automatic maintain a consistent temperature】Built-in thermostat to help maintain a consistent temperature in the tank. 300W aquarium heater is suitable for 40-75 gallons aquarium tank. The heating will be automatically stopped when the set temperature is reached. Compatible with saltwater and freshwater
【Precise control as PID strategy】Thanks to the intelligent inverter technology- PID control strategy, the water temperature in aquarium can be controlled to fluctuate within 1 °F above and below the set value. More stable water temperature
【Protective case and multi-protections】It comes with a protective case to keep your aquatic pet and you from getting burned. Make the heater shatter-proof, shock and vibration resistant. Automatic shut-off when the water level gets to low or overheating. Protect the aquatic pet, and never cook your fish.