This LCD Digital Thermometer & Hygrometer has 1.5m long probe, which can test the temperature and humidity of some special places, it has been widely used in Aquarium, Poultry, Reptile , incubator, greenhouse and etc. Dimension: approx.48mm28.6mm15.2mmLCD Dimension: approx.35.7mm*16.8mmMeasurement temperature range: 50 C~+70°C Embedded installation design. v