20 Pieces digital temperature sticker adhesive thermometer strip aquarium thermometer sticker stick-on temperature thermometer strips in degree Fahrenheit and Celsius display for fish tank and aquarium Features: Simple to use: Just peel off the tape of the sticker and stick on the outside wall of the aquarium, please confirm the placement before attaching the digital temperature sticker, because it can not be applied again once it is attached . Multiple use: The digital temperature sticker is not only suitable for suitable for fish tanks and aquarium, but also fits for wine bottles, baby bottles, bath water, you can use it to get the accurate reading, bring much convenience to your life and work. Specification: Measuring range: 18 to 34 °C/ 64 to 93 °F Accuracy: +/- 1 °C Size: as picture shows Quantity: 20 pieces Package include: 20 x Digital temperature sticker Note: Prohibit direct sunlight and water immersion. Please allow a little error on the size due to manual measurement.