Seaoura SR-802 Aquarium Thermometer Submersible Model:Black Full-Spectrum Focus on Red and

Full-Spectrum Focus on Red and Blue for Plant Growth

If the heater lacks water or the fish tank is low on water

and the oxygen spraying effect is the best

Press the B button to adjust brightness to your preference

Seaoura SR-802 Aquarium Thermometer Submersible Model:Black Full-Spectrum Focus on Red andAbout this item Customizable Timer Display: Features both a 24 7 Always On mode and a Custom Timer mode, allowing for one touch switching to suit your needs. With adjustable screen brightness for optimal visibility day and night Aquarium Thermometer Calibrated: This aquarium thermometer features a built in calibration function, allowing you to fine tune temperature readings for maximum accuracy. This proactive feature eliminates uncertainty and