Garden Highpro Premium Digital Thermo-Hygrometer with 1.5M Probe 

It has a thermo/hygrometer indoor climate Large LCD screen (9x6 cm) to allow for a quick reading of the data.
The display of the digital screen is divided into three parts:
Temperature in
Temperature out
Moisture
Temperature and humidity MAX and mini
According to your choice, it can tell the temperature in Celsius from 0 ° to 50 °C or Fahrenheit 32 °F to 122 °F. It will also tell you the maximum and minimum temperature indoors and outdoors. It is equipped with an offset Temp Gauge Radiator Sensor of 1.5 metres.
It will display the max and mini percentage and showing with a smiley Code if the humidity:
Dry = too dry: in this case the stomates are to protect your plants against moisture loss and growth will slow down.
Wet = too wet: Risk of deterioration of the stems and roots.
Comfort = Ideal for the healthy development of plants, flowers and vegetables grown both indoors.
The Little Extra of this garden thermometer/hygrometer HighPro is its "green light that allows you to read during the night your weather data. The green backlit display is not continuous, it takes just the time to read.
Specifications:
Accuracy: 1 °C & rh 5%
Indoor hygrometer range: 25% – 90% RH