Feature:1. HD SCREEN: The aquarium thermometer features a high definition LED screen that provides a wide viewing angle and saturated colors for easy readings day or night. Eco friendly and energy saving.2. CORDLESS: Adhesive sensor thermometer senses the water temperature through the probe, cordless design, no messy wires in the water, providing a clean and safe environment for your fish.3. TOUCH DESIGN: Touch the button to display the temperature, the thermometer will go to sleep in 5 seconds. Simply peel off the adhesive and stick the thermometer to the outside of the tank below the water level.4. ACCURATE: This glass container thermometer has a reading range of 0140F , accurate to 0.9F. Up to 5 seconds refresh rate, faster detection of temperature changes. Mini design, easy to use.5. APPLICATION: The digital thermometer is suitable for different water types, such as freshwater, tap water, salt water, seawater, etc. To provide the most comfortable environment for your pet.Specification:Item Type: Fish Tank ThermometerMaterial: ABS, Electronic ComponentsBattery Type: CR2032 Button Battery (Shipped with Built in Battery)Battery Capacity: 150mahBattery Quantity: 1pc.Package List:1 xFish Tank Thermometer