【Measurable Temperature Range】 -50°C~70°C, working temperature: 0°C~50°C,temperature measurement accuracy: ±1°C. 【Measurable Humidity Range】 10%RH~99%RH, humidity measurement accuracy: ±5%RH (at room temperature 25°C). 【Product Details】 Product size: 48* 28.6* 15.2mm. Battery: 2* 1.5 V LR44 button batteries. Cable Lenth: 1.5m. 【Easy to Read】 With LCD display, better visual effects, you can see the temperature or humidity in the distance. This lcd thermometer has a probe, which can test some places in deep, the results you want easily. 【Widely Application】 Mini LCD digital thermometer hygrometer with probe is very popular, widely used in living room, greenhouse, musical instrument room, wine cellar, cellar, warehouse, granary, baby room, cloakroom.