VCRAZE Aquarium Heater 500W Fish Tank Heater with External Thermostat (Dual Digital Display) Turtle Heater for Tanks 75-120 Gallons Dry-Run/Overheating Protection and Memory Function

[INVERTER TECHNOLOGY - Our fish tank heater uses cutting-edge inverter technology for quicker water heating. This ensures efficient maintenance of a consistent water temperature. Thanks to this technology the heater also enjoys a longer life-span than the traditional aquarium heaters. "PRECISE EXTERNAL THERMOSTAT - The aquarium heater comes with built-in chips to provide an accurate water temperature up to 1F. This makes it considerably more precise than the traditional knob-controlled heaters. The external thermostats digital display showcases 2 readings - the current and set temperatures simplifying its operation." SMART PROTECTION SENSORS - The fish heater\s multifold sensors prevent operation when the water level drops below the minimum (DRY-RUN) or when the water temperature goes over 95F (OVERHEAT). A MEMORY FUNCTION is also in place. In the event of a power outage the heater reverts to the last setting when power returns helping you avoid "cooking fish"! PREMIUM MATERIALS - The heater is made of sturdy nickel-chromium heating wire and highly conductive sand all encased within a shatterproof quartz glass tube attesting to its top-notch quality. Its multiple-slotted ABS plastic casing also shields your fish from burns. VERSATILE USES - Our heater is suitable for both fresh and seawater. Besides serving as an aquarium heater and turtle tank heater it can also be utilized for pet fountains and plant seedlings.]