Garden HighPro ProHygro Medium
The Garden HighPro ProHygro Medium is a handy indoor thermo hygrometer that measures the temperature and relative humidity of the air around it, as well as having an additional temperature probe, for measuring temperature elsewhere. (E.g: If your main unit is inside a grow tent, you can install the probe on the outside of the tent to measure the temperature there). This additional temperature probe is not waterproof and is not to be used where it could get wet.
The unit also stores the maximum temperate reached since last reset, for your reference.
Indoor Thermometer with hygrometer, includes battery (1 x AAA)
Accuracy ±1º C, RH ±5%
Relative Humidity range 25% RH to 90%
Temperature range: 0º – 50º / 32º – 122º F