[Measurable temperature range] -50~+70, temperature measurement accuracy: 1.0. [Measuring humidity range] 10%~99%RH, humidity measurement accuracy: 5%RH (room temperature 25). [Battery] 1* LR44 button battery. Mini circular temperature and humidity measuring instrument, suitable for various scenes. [Thermometer and hygrometer] This portable thermometer and hygrometer measures indoor humidity and temperature to help you understand indoor air conditions. [Wide use] LCD digital thermometer and hygrometer are very popular, widely used in living room, greenhouse, instrument room, wine cellar, warehouse, granary, baby room, cloakroom. Product Product Features: 1. Small size, exquisite design, easy to carry, and versatile. 2. With digital thermometer and hygrometer, you can keep abreast of the latest situation of indoor climate. Product Specifications: Measurable temperature range: -50~+70 Temperature measurement accuracy: 1.0 Measurable humidity range: 10%~99%RH Humidity resolution: 1%RH Humidity measurement accuracy: 5%RH (room temperature 25) Sampling period: 10 seconds Display resolution: 0.1 Display: LCD Battery: 1*1.5V LR44 button battery Package includes: 3x Digital Thermometer Hygrometer