RISEPRO Aquarium Thermometer, Digital Water Thermometer for Fish Tank Aquarium Marine Temperature EASY TO SETUP  RISEPRO&reg; aquarium thermometer can easily be set in minutes. Simple mount main display unit over the tank! And place the sensor probe inside the water! WIDE RANGE & ACCURATE  Measure -58.0 to 158.0 degree Fahrenhit (-50.0 to 70.0 degree Celsius) with accuracy +/- 1 degree Celsius TEMPERAURE UNITS  Easy switch between degree Celsius and Fahrenhit WIDE VARIETY OF AQUARIUM AND WATER TANKS  Suitable for different water types such as fresh water, tap water, salty water, marine water and etc. GREAT FOR REPTILE  Suitable for monitoring the living temperature for reptile such as lizard, turtle etc.