This LCD Digital Thermometer & Hygrometer has a 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.48mm * 28.6mm * 15.2mm LCD Dimension: approx.35.7mm * 16.8mm Measuring temperature range: -50 C ~ + 70 ° C Integrated installation design. Descriptions: Measuring temperature range: -50 ° C ~ 70 ° C Measurement Humidity rate: 10% RH ~ 99% RH Temperature accuracy: + 1 / -1 ° C Temperature display resolution: 0.1 ° C Operating voltage: 1.5V AG13 / LR44 batteries Sampling period: 10S Dimension: approx.48mm * 28.6mm * 15.2mm LCD Dimension: approx.35.7mm * 16.8mm Color: Black color Operating voltage: 1.5 V Power source: 2 x LR44 button cell battery (not included) This LCD digital thermometer & hygrometer has a 1.5m long probe, which can test the temperature and humidity of some special places, it has been widely used in aquarium, poultry, reptile,