Taiyo Pluss Discovery Aquarium Straight Sticker Thermometer, Size: (1.8X13 cm) (LXH), Fish Tank Aquarium Thermometer Temperature Sticker Strip, Suitable for Fish Tank Aquarium Thermometer Aquarium Thermometer

Easy-to-read temperature readings from 18 - 34? / 64 - 93?. Temperature is accurate up to 1 degree in Celsius and 2 degrees in Fahrenheit. The thermometer changes its color according to the surrounding temperature. If the surrounding temperature is 27°C, then the background of scale mark 27°C will turn colorful and other scale marks remain black.