2 x LCD Digital Fish Aquarium reptile terrarium Thermometer 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) Powered by one button battery (LR44) included in the thermometer Package includes: 2 x digital thermometer hygrometer