hygger Mini Aquarium Heater Fish Tank Water Heater Submersible Temperature Controller 500W

LED DIGITAL DISPLAY CONTROLLER: Displays real-time water temperature or set temperature, three-digit display, water temperature display accurate to 0.1 °F, easy to read. RAPID HEATING: Fastest 5 seconds warming. Automatically reduces power when approaching the set temperature, fully utilizes thermal energy inertia to smoothly reach. INTELLIGENT THERMOSTAT: Over-temperature protection prevents "cooking fish". When the water temp exceeds about 93.5 °F, start alternately flashing EE fault code and over 97℉, the heater will stop heating automatically. HIGH-QUALITY MATERIALS: high temperature resistant ABS material, no deformation and no softening.