hygger Aquarium Heater, 600W/1200W Adjustable Power Fish Tank Heater with Digital Display External Controller, Automatic Power-Off Protection Heater for 132-238 Gallons Freshwater and Saltwater Tank

600W/1200W Adjustable Power - hygger newly upgraded adjustable power aquarium heater, you can switch the heater‘s power between 600W and 1200W according to the environment temperature and the size of your aquarium. This 600W/1200W adjustable heater is ideal for fish tanks 132-238 gallon. One heater meets various needs, saving you money

Multiple Security Protection - ①Off-Water Warning: when the heater leaves the water, it will automatically cut off the power to prevent dry running; ②Over-temperature Warning: when the water temperature exceeds 94°F, the heater will automatically stop heating to prevent "boiling fish"; ③Low-temperature Warning: when the water temperature is below 59°F, the heater will sound an alarm and continue heating. Error Code: Auto shut off - Out of water; HH - High temperature; LL- Low temperature

LED Digital Display - The external temp controller of this aquarium heater can accurately display the current water temperature, set temperature, current operating power, set power, and error codes. The red light indicates heating, and the white light indicates constant temperature. Simply press the setting button to easily adjust the target temperature and switch the heater’s power. Temperature adjustment range: 59℉-93℉; Power options: 600W/1200W

Upgraded Safety and Durability - Our fish tank heater uses uniformly wound premium nickel-chromium wire, which can quickly and stably conduct heat to the surroundings, more efficient water heating. Combined with explosion-proof quartz glass and a stronger ABS shell, it is heat-resistant, safer, and effectively prevents fish from being scalded

Safety Instruction - Heater length: 11.2 inches, Power cord length: 3.9ft + 6.2ft, Voltage: 110-120V. It is suitable for both freshwater and seawater. Please keep the heating rod fully submerged, and make sure to unplug before water change or cleaning cool down the fish tank heater for 15 minutes. If you have any issue with the heater, please feel free to contact us. We would provide a timely after-sale service.