Show clearly temperature: Pure transparent screen, You can read the temperature data clearly in the LCD screen. You can choose seither Fahrenheit or Celsius according to your need Accurate measurement:The high-precision temperature probe can be immersed in the water for a long time to truly measure the temperature of the fish tank,Please note that taking into account the indoor temperature and humidity measurement the thermometerreading has about 0.3 degree deviation Multifunctional measurement:Fish tank water temperature, room temperature, indoor humidity, three in one Alarm function: Independently set high and low temperature thresholds, and automatically alarm when the threshold is exceeded. Easy to use: Submerge probe into fish tank to measure water temperature (Submerge probe only, do not submerge thermometer in water)