This digital LCD thermometer and hygrometer has a 1.5m long probe that can measure the temperature and humidity of some special places. It has been widely used in aquariums, poultry, reptiles, incubators, greenhouses, etc. Dimensions: approx. 48 mm to 28.6 mm to 15.2 mm LCD dimensions: approx. 35.7mm to 16.8mm Measuring temperature range: -50°C ~en70°C Integrated installation design.