ISTA Twin Display Digital Thermometer

ISTA Twin Display Digital Thermometer The ISTA Twin Display Digital Thermometer is a simple, easy to use digital thermometer that will accurately read both the internal temperature of the aquarium and the indoor temperature of the surrounding environment. The thermometer can be adhered to the glass of the tank and functions in both Celsius and Fahrenheit. Features: Measures both room and aquarium temperature Quickly and easily attaches to the outside of the aquarium Functions in °C and °F Specifications Room Temp Range: -10°C ~ +50°C (+14°F ~ +122°F) Aquarium Temp Range: -50°C ~ +70°C (-58°F ~ +158°F) Resolution: 0.1°C / 0.1°F Accuracy: ± 1°C (2°F) Power Supply: 1.5V (AG13) battery x 1 (included) Size: 42 x 78 x 10mm