hygger Submersible Aquarium Heater,Small Fish Tank Heater 100W,Aquarium Betta Heater with Digital Display Control for 37-98L Freshwater Aquariums

Product Features

• Safe and Explosion-proof: The aquarium heater is made of nickel-chromium heating wire, which heats faster and has a longer service life. The internal explosion-proof insulated quartz heating tube material plus the external heating rod ABS material will not melt at high temperatures, which is safer and more durable. The chip has a dual safety protection mechanism, which is safer for humans and your lovely fish
• Convenient Control: hygger Turtle tank heater can accurately display the real-time water temperature and working status. When the water temperature is lower than the set temperature, the heating starts to heat and the red light is on. When the temperature reaches the set temperature, the heating stops heating and the blue light is on. Variable temperature setting range: 15-34℃. Accuracy: ±1°C. Simple external controller, easy to operate, no need to operate with wet hands
• Multi-function Heater: When the water temperature exceeds 35°C, the tank heater will automatically stop heating and the controller will flash HH. When the heater is exposed to the air, the controller will display E1. Memory function-the previous settings can be automatically retained when the submersible aquarium heater is restarted, and there is no need to set it again. Long press for 3 seconds to switch between Celsius and Fahrenheit units
• Suitable Sized: Equipped with a unique detachable protective shell, it can be easily disassembled and cleaned, easy to clean and protect.At the same time, it provides a shell-free use option for users who care about the safety of small fish, effectively avoiding the risk of small fish being stuck.The 100W aquarium heater is designed for 37-98L aquariums, with a compact design that is easy to hide behind plants or other decorations.The power cord is 1.6M long, which is long enough for indoor use
• Daily Maintenance: When using the heater, it needs to be fully immersed in water. If you need to change water or clean the fish tank, please cut off the power first, cool the display heater for more than 15 minutes, and then take it out for cleaning after the aquarium heater is completely cooled. In addition, a water pump or filter can be installed to help the heater for turtle tank to have good water circulation when working to avoid local high temperature