Features:Large easy to read displayMeasures and displays temperatureMeasures and displays relative humidityMemory function to recall minimum and maximum temperature and humidity readingsProbe designed to fit through the vent holes of the little bator egg incubatorsDescriptions:Remote Measurement of humidity & temperatureFlip out stand for easy placement (on back)A must have with every incubator. Great for use with hatching eggs, chickens, quail, pheasant, geese, brooders, reptiles, pet cages, and much much moreSpecifications:Humidity Range : 10% to 99% +/- 5% RH(relative humidity)Dimensions: approx. 6.4cm x 4.0cm x 1.3cmLine Length: approx. 1mMaterial: PlasticColor: WhitePackage included:1 x Digital Egg Incubator ThermometerNotes:We have two kind of probe head and it is randomly delivered! Please know it. Thank You!