Measurable temperature range -50~70, operating temperature: 0~50, temperature measurement accuracy: 1. Measurable humidity range 10%RH~99%RH, humidity measurement accuracy: 5%RH(at room temperature 25 room). Product Details Product size: 48 * 28 ,6*15.2mm. Battery: 2 x 1.5V LR44 button cell batteries. Cable length: 1.5m. 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 applications The digital thermometer hygrometer Mini LCD with probe is very popular and widely used in living rooms, greenhouses, musical instrument rooms, wine cellars, basements, warehouses, attics, baby rooms and changing rooms. /p> Product Features: 1. LCD digital thermometer hygrometer sensor tester, used in refrigerators, incubators, 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.