AQQA Fish Tank Heater,Aquarium Heater 50W 150W 250W 400W 500W 800W for 3-220 Gal,Set Temperature 59℉-93℉ Temperature Accuracy,Out of Water or High Temperature Automatic Power Off (200W)

Trusted AQQA Aquarium Heater: Protective case made of corrosion-resistant bear high temperature materials; High purity nickel wire rapid heating; Explosion-proof quartz glass tube; External dual display controller, high-definition accurate display

Set Temperature 59℉-93℉: The temperature can be recurring set by pressing the button,increase by 1℃ /1 ℉ each; Press and hold for 8 seconds to convert from Fahrenheit to Celsius; Automatic heating when water temperature falls below the set temperature

Out Of Water Power Off: When the heater leaves the water surface 2.4 inch, automatic power off and error code E1, re-immersed completely in the water automatically return to normal; If take out the heater, please disconnect the power to cool down for 15 minutes before doing so

Ultra-high Temperature Automatic Power-off: When the real-time water temperature is detected to be above 95°F (35°C), it will automatically cut off the power and display the error code HH; When the water temperature is as low as 95°F (35°C) the alarm will be released

Easy To Clean: Please disassemble and clean it once in 1-2 weeks of continuous use; Simple to take apart, just pull the casing apart section by section; Please check the glass tube for cracks before first use; Recommended to be placed at a vertical inclination of 30 degrees