This digital LCD thermometer and hygrometer has a 1.5m probe that measures temperature and humidity at specific locations. It is widely used in aquariums, poultry, reptiles, incubators, greenhouses, etc. . Descriptions: Measurement temperature range: -50°C ~ 70°C Humidity measurement: 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 Size: approx. 48mm28.6mm15.2mm LCD size: approx. 35.7mm*16.8 mm Colour: black. Color Working voltage: 1.5V Power supply: 2 x LR44 button cell batteries (not included) This LCD digital thermometer and hygrometer has a 1.5m probe which can be used to measure the temperature and humidity of specific places. It is widely used in aquariums, poultry, reptiles, incubators, greenhouses, etc. Package includes: 1 x Digital Hygrometer Thermometer