- Easy temperature control: High-precision thermometers let you instantly see changes in your aquarium temperature. The precise, easy-to-read display shows the water environment at a glance without complicated readings. - Eyanose temperature test: Remove the backing, no installation tools required. Attach directly to the outside of the aquarium or another container. The special self-adhesive back makes operation simple and secure. - Round patch design: Ideal accessory for aquariums, turtle pools, and similar setups, with a stylish and attractive look. The circular patch provides a clear, practical temperature read. - Temperature sensitive display: Color coded markings indicate the current temperature. Multiple colors represent different ranges for quick recognition and easy monitoring, making it an essential tool for any aquarium owner. - Use scenarios: suitable for freshwater or saltwater aquariums, turtle pools, terrariums, or any container where an external, easy-to-read temperature read is needed.