hygger 150W Submersible Aquarium Heater, Adjustable Fish Tank Heater

• 【Fish Tank Heater with Digital Display 】The easy-read digital controller shows the current water temperature and your target temperature (For aquarium heater with a power of 100W or less, only the set temperature is displayed). Adjust from 59–93°F (15–34°C). Press and hold the "+/-" buttons on the side together for 3s to switch °C/℉. Red light is on when heating and green light is on when temperature is hold.
• 【Intelligent Overheat & Dry-Run Protection】The submersible aquarium heater automatically stops heating if the heater is exposed to air and displays an error alert. If water temperature exceeds 97°F, the controller sounds an alarm and shuts the heater down to help protect your aquarium.
• 【Easy to operate & Memory Function】Set your preferred temperature from the user-friendly external controller instead of handling the digital aquarium heater underwater. Built-in power-off memory restores your previous temperature setting after power returns.
• 【Safe and Friendly Design】The quartz glass heating element is both explosion-proof and highly insulated, delivering superior safety compared to conventional aquarium heaters. The stronger black ABS protective shell is easier to hide and prevents scalding, protect you and your aquatic pets on all fronts! Please make sure the heating rod is fully submerged when it's on duty Unplug the heater and wait for 15 minutes before changing the water or removing the submersible aquarium heater.
• 【Choose According to the Size of Fish Tank】The 300W aquarium heater is suitable for the 40-75 gallon fish tank. 200W for 25–35 gal, 150W for 15–25 gal, 100W for 15-20 gal, 50W for 5-10 gal, 25W up to 5 gal. Place near good water circulation for more even heat distribution. There are 2 strong suction cups on the heater guard, it's easy to install the aquarium heater no to the tank walls. The shell is detachable. The heater is suitable for aquariums, betta fish tanks, turtle tanks, and so on.

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