Measurable temperature range: -50 ~70℃, measuring accuracy of temperature:±1.0℃. Measurable humidity range:10%~99%RH, humidity measurement accuracy:±5%RH, measured every 10 seconds. Product size:48*28.6*15.2mm. Battery: two LR44 button batteries. The small portable temperature and humidity meter is suitable for every scene. Humidity Temperature Monitor: This portable thermometer hygrometer measures indoor humidity and temperature, helping you to know the indoor air conditions. Wide range of applications: mini digital thermometer hygrometer is widely used in living room, greenhouse, instrument room, wine cellar, basement, l warehouse, the attic, the baby's room, the cloakroom. < p>Wide use: you can use it at home, office, car, school, hotel, laboratory, kindergarten, aquaculture, instrument workshop , in the library, in the factory, in the greenhouse, in the cellar, in the garage, in the garden house, in the box for 3D printing filaments and in places with air, etc.< /p> Our service: We are committed to providing you with satisfactory service. If you have any questions, you can contact us at any time. We will reply to you within 24 hours and try our best to solve the problem for you.