Hygger Smart Aquarium Heater for 120-180 Gallon Tanks and Ponds

[Low Power Start-Up, Saving Energy] Utilize smart PID variable frequency drive technology for automatic frequency adjustment. The Hygger 011 aquarium heater conserves energy and reduces your electrical bills. Choose full power for quick water heating or lower settings to maintain the perfect temperature while saving energy.

[Safety Auto Shut Off & Beeping Alarm] Powered by Renesas high-performance chipsets, this heater auto-shuts off when water levels are too low, then resumes when fully submerged. Equipped with three overload sensors to prevent burnout, and a beeping alarm when the water temperature exceeds 96.8°F. These features ensure a proper underwater temperature and keep your fish safe.

[At-a-Glance Temperature Display] The heater rod displays real-time water temperature and power simultaneously. A red light indicates full energy use, a green light indicates low energy use, and no light indicates the proper temperature.

[Easy to Set Dial] With a user-friendly external hand button, adjust settings without getting your hands wet. The temperature can be set between 70°F to 94°F in 1° increments, cycling through each setting through simple button pushes.

[Unbreakable Explosion-Proof & Fast Heating] The Hygger 011 is made of heavy-duty and explosion-proof metal, ensuring safety and durability. Heats water quickly, ideal for ponds and aquariums. Double-sealed plastic guard prevents fish or turtles from touching the heating element. Recommended for freshwater only aquariums and turtle tanks up to 120 gallons, providing efficient heating.