Measurable humidity range10%RH~99%RH, humidity measurement accuracy: 5%RH(at ambient temperature 25 room).Measurable temperature range -50~70, operating temperature: 0~50, temperature measurement accuracy: 1.0. Product Details Product Size: 48*28.6*15.2mm. Pile : 2 x 1.5V LR44 button batteries.Easy to readWith LCD display, better visual effects, you can see the temperature or humidity in the distance. This LCD thermometer has a probe with which you can easily test the desired results at certain points of the depth.Wide range of applicationsMini LCD digital thermometer hygrometer with probe is very popular and widely used in living rooms, greenhouses, musical instrument rooms, wine cellars, basements, warehouses, attics, baby rooms and mudrooms. Product Features: 1. Thlevel LCD digital thermometer hygrometer sensor tester, used in refrigerators, brooders, cigar rooms and other places. 2. This is a portable thermometer and hygrometer, it can also measure the temperature and humidity of the object through the sensor. Product specification: Temperature measurement range: -50~70 Temperature measurement accuracy: 1 Humidity measurement range: 10%RH~99%RH Accuracy of humidity measurement: 5%RH Power supply: 2 x 1.5v LR44 button cell batteries (included) Note: This thermometer cannot be used for a long time in low temperature and high humidity environment. Package included: 3x Digital Hygrometer Thermometer