Simple to use external stick-on thermometer for measuring the temperature of your aquarium.
The thermometer changes colour according to the temperature. If the surrounding temperature is 20°C, then the background of the scale mark for 20°C will turn colourful and the other scale marks will remain black.
Dimensions: L-13cm/5.12", W-1.8cm/0.71"
Package includes 1 stick on thermometers
Notes:
1. Please allow slight chromatic aberration in the photo
2. Due to manual measurement, the size may be deviated
