Features 1. Night Visions: When the light was dim, clear LCD display makes quick and accurate reading easy. 2. Accurate Temperature: Accurate sensors will help you monitor your aquarium's temperature. Accurate reading to 0.18F. 3. Runway Design: The exterior design style uses the track and field track design with metallic paint. 4. Easy to Install: Just peel off the backing and stick the thermometer to the tank. Long lasting replaceable CR2032 battery. 5. Touch to Light: When you need to see the temperature of the fish tank, just touch the aquarium thermometer, it is super compatible with our fish tank. Specification Material: Plastic Color: Blue, White Size: 5 x 3 x 2 cm, 4 x 4 x 2 cm Weight: 30 g, 10 g Battery: CR2032 Temperature Range: 0-99C Accurate Temperature: 0.18F Package Include: 1 Fish Tank Thermometer