• Precise temperature measurement in a range of 10 to 40 °C. • Made with temperature-sensitive material that changes color according to thermal changes. • Self-adhesive design for quick and easy installation on clean and flat surfaces. • Placed exclusively on the outer wall of the container, below the water level. • Dimensions of each thermometer strip: 13 cm long by 1,8 cm wide. • Suitable for fish aquariums, turtles, reptiles, incubators, cellars, and hot tubs. • Content includes 5 thermometer stickers in black color.