About This

• 【Automatic maintain a consistent temperature】Built-in thermostat to help maintain a consistent temperature in the tank. 200W aquarium heater is suitable for 20-40 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.
• 【Easy to adjust the temperature from outside】The temperature can be easily adjusted externally by pressing the SET button on the right side of the external controller. Press and hold the setting button to switch between Celsius and Fahrenheit.
• 【Shows current temperature and setting temperature】Simultaneous display of set temperature and current temperature. Intelligent indicator shows heating status. RED is heating, GREEN is consistent. Easy to readout. The heater has a memory function and will remember the temperature setting. No need to reset the temperature after power lost.