2/4pcs Fish Tank Thermometer with Suction Cup Temperature Sensor LCD Digital Aquarium Water Temp Detector Aquatic Tool

Submerge probe into fish tank to measure water temperature (Submerge probe only, do not submerge thermometer in water)
Easy to apply suction cup and easy to read LCD screen; Temperature readings to within 0.1 degree
Large, easy to read LCD display. Compact design for discrete use
Temperature range -50 degree Celsius~ + 70 degree Celsius; Operating temperature -10degree Celsius~ +50degree Celsius