The most technologically advanced aquarium heater available today, Fluval Advanced Electronic Heater with VueTech technology delivers peace of mind thanks to several excellent features. Equipped with an intelligent digital microprocessor monitoring system with dual temperature sensors, this heater continuously monitors and displays aquarium water temperature, ensuring the safety and well-being of your aquarium inhabitants. Key Features : Continuously monitors and displays aquarium water temperature in real time Intelligent digital microprocessor monitoring system with dual temperature sensors Ensures the safety and well-being of your aquarium inhabitants Precision temperature control allows settings in 0.5-degree increments Integrated fish guard provides advanced protection Slim profile mounting bracket