Displays degree Centigrade and Fahrenheit: the stick-on digital temperature strip measures both Fahrenheit and Celsius, with a range of 64°F to 93°F and 18°C to 34°C. The large numbers indicate Fahrenheit and the small numbers indicate Celsius. Easy to install: simply peel off the backing to reveal the adhesive and apply to the front of your fish tank, aquarium, jar, or fermentation bucket. Remove the transparent protective film before use. Single-use application. Ideal for quickly monitoring the temperature of fish tanks, wine jars, and similar containers. Regular size: the adhesive crystal strip thermometer is designed to fit most surfaces, suitable for fermenting, brewing, wine, beer, and aquariums. Wide temperature range: measures from 64°F to 93°F with 1°F accuracy. Color changes indicate the exact temperature within 2 to 5 minutes. Keep away from direct heat sources. Package includes: 36 digital temperature stickers. Sufficient quantity for long-term use in various applications. Suitable for monitoring temperature in fish tanks, aquariums, DIY drinks, wine barrels, and other pet tanks. Color: Black Material: PET Size: 13 x 1.8 cm Package Contents: 36 x Digital Temperature Sticker Note: Light and screen display settings may cause slight color variations between the image and the actual item. Measurement error allowance is +/- 1-3 cm.