- Reliable Temperature Monitoring: Experience accurate temperature tracking with a rapid refresh rate of just 5 seconds. This device effectively measures temperatures between -9.9 and 50 degrees Celsius, ensuring your aquarium maintains the ideal environment for aquatic life. - Long-lasting Performance: Equipped with a rechargeable 5V battery and USB-C charging, this thermometer can function continuously for up to 45 days on a single charge. Keep your aquarium temperature monitoring seamless and efficient without frequent interruptions. - Effortless Operation: Designed for convenience, the auto-off feature activates after 30 seconds to conserve energy. The one-touch temperature check allows for quick readings, making it easy to monitor your aquarium without complicated setups. Its cordless design enhances the aesthetic appeal of your aquarium. - Clear Visibility in Any Condition: The night view backlight guarantees easy reading of the temperature, even in low-light environments. The large 2-inch digital display ensures that you can monitor your aquarium's temperature effortlessly. - Ideal Use Cases: Perfect for both freshwater and saltwater aquariums, this thermometer is a must-have for hobbyists and professionals alike. It is also suitable for use in reptile habitats or other temperature-sensitive environments, providing peace of mind for optimal care. - Compact and User-Friendly: With its lightweight design, this device is easy to position within your aquarium setup. The straightforward interface ensures that users of all experience levels can effectively monitor temperature without any hassle.