3 X LCD Digital Fish Shrimp Tank Aquarium Thermometer (Batteries included) Digital C / F thermometer for fish aquarium or reptile terrarium Large LCD display easy to read the temperature. Compact design for discrete use High quality suction base, easy to install Broad temperature range of -50 C - +70 C. Size: 5.8 cm. x 3.5 cm. (approx) Package Included 3 x LCD Digital Thermometer