Compact digital aquarium thermometer. Small but exquisite, it helps you accurately monitor the water temperature in your aquarium. Suitable for freshwater and saltwater tanks. LED display: high-resolution readout that is clearly visible and easy to read. The mini size fits a wide range of tank types. Highly accurate measurement: temperature range 0-60 C / 32-140 F. Accuracy ±0.1 C, overall error ±0.5 C. Measurement cycle every 5 seconds. The sensitive sensor detects tiny temperature changes reliably. Easy to install: no tools required. Remove the adhesive on the back and stick it to the outside of the aquarium below the water level. Press the button to display the current temperature. Applications and use scenarios: - Freshwater community tanks: monitor daily temperature to ensure stable conditions for fish and plants. - Saltwater/marine tanks: track temperature nuances during heater or chiller adjustments to protect corals and sensitive inhabitants. - Small or nano tanks: external mounting keeps the setup clean and unobtrusive while providing quick readings.