ST-3 Digital Thermometer for Fish Tank

this is a digital thermometer with Celsius & Fahrenheit switch button, owns an outside sensor cable designed for measuring the temperature of water in a fish tank / Aquarium.
The temperature measuring range is -50 to +70°C and -58 to 158 Fahrenheit;
Screen dimension: 27.7*13.4 mm;
Powered by 1 piece DC 1.5V button (LR44);
The default temperature cable length is 100 cm, customizable.