- 3.5 inch screen for easy readability in both bright light and darkness; information is clear at a glance. - Auto sleep after 5 seconds of inactivity; the on/off switch must be used to wake the display, helping conserve power. - High-precision temperature sensor with 0.1°C resolution and ±0.5°C accuracy; updates every 5 seconds to keep you informed of changes. - Easy setup: peel off the adhesive backing and stick the thermometer to the aquarium; compact footprint preserves the tank’s appearance and does not take up much space. - Measuring range 0°C to 60°C, suitable for a variety of water conditions; accurately measures temperatures in freshwater, tap water, salt water, sea water, and other water types. - Stick-on design is unobtrusive and space-efficient, maintaining the ornamental value of your aquarium while providing reliable temperature monitoring. - Practical use scenarios: - Freshwater community tanks: quickly monitor ambient water temperature to keep fish and plants healthy. - Saltwater or reef aquariums: maintain stable temperatures critical for sensitive marine life. - Hatcheries, quarantine tanks, or small setups: convenient, cable-free monitoring that does not interfere with tank aesthetics.