Features 1、[Color Change Principle] Thermometer strip uses the liquid color change principle to detect temperature, easy to observe and simple to use. 2、[Accurate Measurement] Fish tank thermometer sticker scale is accurate, measuring the temperature accurately with small error. 3、[Sticker Design] Thermometer sticker is designed in the way of sticker, beautiful and innovative design, easy to use and carry. 4、[Convenient] Adhesive thermometer is small and convenient, does not take up space, easy to use, the color is obvious, easy to discern the correct temperature. 5、[No Secondary Paste] When using directly on the surface of the fish tank can be pasted, paste can not be torn off again, otherwise it will lead to damage to the thermometer. Specifications: Item Type: Thermometer Strip Material: Plastic Use: Fish Tank Thermometer Sticker Temperature Measurement Range: 18-34 ℃ Display Description: Green: Current Temperature Blue: Bias to Low Temperature Brown: Bias to High Temperature Product Size: Approx. 13x1.5cm/5.1x0.6in Package List 1 x Thermometer Strip