- Accurate Temperature Readings: measurement span -9.9 to 50 degrees Celsius with updates every 5 seconds. Uses a high-accuracy sensor chip to maintain precise water temperature control in your aquarium. - Rechargeable Convenience: USB-C charging with a built-in 5V battery. Provides up to 45 days of use per charge, ensuring consistent water temperature tracking without frequent recharging interruptions. - Smart Energy Saver: Auto-off after 30 seconds of inactivity. Quick single-touch thermal readings, with wireless operation and a cordless design to stay unobtrusive. - Optimal Low-Light Clarity: Night-view backlight, clear LED display, and a large 2-inch digital screen for easy temperature reading in any light. - Use scenarios: - Routine freshwater or saltwater aquarium maintenance to keep stable temperatures - Quarantine or portable tanks where wireless operation is advantageous - Night-time monitoring with the backlit display for easy reading in low light