- Wide Range Monitoring: Track your aquarium temperature accurately from -9.9 to 50 degrees Celsius. With a rapid 5-second update interval, the advanced sensor chip ensures precise monitoring for optimal aquatic health. - Long-Lasting Battery Life: Enjoy reliable performance with a built-in 5V rechargeable battery. A single charge via USB-C offers up to 45 days of uninterrupted monitoring, providing convenience for busy aquarium enthusiasts. - Smart Energy Saver: The thermometer features an automatic power-off function that activates within 30 seconds of inactivity. This allows for quick single-touch temperature readings while maintaining a sleek and cordless design that blends seamlessly into your aquarium setup. - Readable in Any Lighting: Equipped with a night view backlight and a clear LED display, this thermometer allows for easy temperature readings day or night. The large 2-inch digital screen keeps you informed about your tank's conditions at a glance. Practical Use Scenarios: - Set up your aquarium with confidence, knowing you can easily monitor temperature fluctuations that could impact your fish and plants. - Ideal for both freshwater and saltwater tanks, ensuring compatibility across various aquatic environments. - Use it during water changes or seasonal shifts to maintain stable water temperatures, safeguarding the health of your aquatic life. This aquarium temperature gauge is essential for anyone looking to create a stable and healthy aquatic environment, combining functionality with user-friendly features.