- Wide Range Monitoring: Provides dependable temperature tracking from -9.9 to 50 degrees Celsius with a responsive 5-second update interval, powered by an advanced sensor chip for meticulous aquarium care. - Rechargeable Convenience: USB-C charging and a built-in 5V battery deliver seamless usage for up to 45 days per charge, ensuring consistent water temperature tracking without frequent recharging interruptions. - Smart Energy Saver: Auto power-off after 30 seconds to conserve energy; supports quick single-touch thermal readings, wireless usage, and a sleek cordless appearance for an unobtrusive setup. - Readable in Any Lighting: Night view backlight and a clear LED display with a large 2-inch digital screen for easy aquarium temperature updates in all conditions. Use cases - Ideal for freshwater and saltwater setups to maintain stable temperatures during heater cycles and daily fluctuations. - Suitable for reef, planted, or high-precision tanks where accurate temperature control is critical. - Advantageous for portable or relocated aquariums and spaces without constant mains power due to cordless design and long battery life.