Feature: 1. 1. The aquarium thermometer measures the water temperature with an accuracy of up to 1℉, with a measuring range of 32℉-158℉, and detects the water temperature every 20 seconds. It is the perfect device to help your fish live happier and healthier lives. 2. 2. The large LCD screen displays the digital real-time temperature, which is easy to read and respond to if any adjustment is required. 3. 3. ℃/℉ switch button on the left, press to switch between Celsius and Fahrenheit. 4. 4. There are no messy wires in the fish tank, keeping your fish tank clean and safe, and protecting the fish from accidental eating or electric shock. Digital fish tank thermometer with ℃/℉ selector. 5. 5. Easy and convenient to install at the fish tank with adhesive tape that makes sure space-saving and portable. Specification: Size: 3.8*1.5cmMaterial: ABS Package List: 1* Aquarium thermomete Note: Due to the lighting effects and shooting angles, there is a color difference in the product, please understand.Due to manual measurement, there is a tolerance in the product size.