Features: Brand new and high quality indoor and fish tank thermometer. With LCD digital display screen, measure the indoor temperature and fish tank temperature. It can change freely between Fahrenheit and Celsius for easy reading and use. Helps to provide a comfortable living environment for your fishes, turtles and other water animals. It is easy to install on the fish tank wall with two back adhesive. Specifications: Condition: 100% Brand New Material: Plastic Color: White Shell Model: KT-902 Water Temp Measuring Range: -50~70 Indoor Temp Measuring Range: -10~50 Temp Divation: 1 Display Mode: Change freely between Fahrenheit and Celsius Battery: 1 * 1.5V AG13 Button Battery(included) Size: Approx. 8 * 4 * 1cm / 3.15 * 1.57 * 0.39in Weight: Approx. 36g Package Included: 1 * Indoor and Fish Tank Thermometer 1Brand new and high quality indoor and fish tank thermometer 2With LCD digital display screen, measure the indoor temperature and fish tank temperature 3It can change freely between Fahrenheit and Celsius for easy reading and use 4Helps to provide a comfortable living environment for your fishes, turtles and other water animals 5It is easy to install on the fish tank wall with two back adhesive