Measurable temperature range: -50~70, temperature measurement accuracy: 1.0. Measurable humidity range: 20%~99%RH, humidity measurement accuracy: 5%RH, measured every 10 seconds. Product size: 44 * 44 * 15mm. Battery: one AG13 button battery. The small portable temperature and humidity meter is suitable for every scene. Humidity Temperature MonitorThis portable thermometer hygrometer measures indoor humidity and temperature, helping you know the indoor air conditions. Wide Range of ApplicationsThlevel mini digital thermometer hygrometer is widely used in living room, greenhouse, instrument room, wine cellar, basement, warehouse, attic, baby room, dressing room. Feature Mini thermo hygrometer, compact size, exquisite design, easy to carry, suitable for various scenes. With a digital thermometer and hygrometer, you can always know the latest changes in indoor climate. Specifications Measurable temperature range: -50 ~70 Temperature measurement accuracy: 1.0 Relative humidity test range: 20%~99%RH Humidity measurement accuracy: 5%RH, (at room temperature 25) Sampling cycle: 10 seconds Display resolution: 0.1 Size: 44*44*15mm Display: LCD Battery: 1 x 1.5V AG13 button battery Material: PVC plastic Package Included 3x Digital Thermometer HygrometerYeuri