Durable and reliable: This thermograph is designed as a long-lasting temperature tool and is built to withstand aquarium conditions. Essential aquarium accessory: Ideal for monitoring the temperature in your aquarium, this sensor is essential for maintaining stable conditions and the health of your aquatic life. Clear LED display: The easy-to-read LED display lets you quickly check the current water temperature and make fast adjustments when needed. Compact and practical: Measuring 6 x 3.4 x 1.2 cm (2.36 x 1.34 x 0.47 in), this sensor is compact enough to integrate seamlessly into your aquarium setup without detracting from its aesthetics. Use scenarios: - During water changes, verify that added water matches the tank temperature to reduce stress on inhabitants. - In setups with sensitive species, use ongoing monitoring to maintain stable conditions. - While performing maintenance or equipment changes, use the sensor to observe any temperature changes and adjust promptly.