[Measurable temperature range] -50~70, temperature measurement accuracy: 1.0. [Measurable humidity range] 10 %~99%RH, humidity measurement accuracy: 5%RH, measured every 10 seconds. Product size44*44*15mm. Battery: One LR44 button battery. Small and portable thermo-hygrometer suitable for various scenarios. Humidity Temperature MonitorThis portable hygrometer thermometer measures indoor humidity and temperature to help you know indoor air condition. Wide Range of Applications Thlevel mini digital thermometer hygrometer is widely used in living room, greenhouse, instrument room , the wine cellar, the basement, the warehouse, the attic, the baby"s room, the mudroom. When shopping, please pay attention to the size and dimensions of the product to ensure that it meets your needs. In the title and , we have provided detailed information about the product, including its features and specifications We want you to be completely satisfied with your purchase, so if you have any questions or concerns, please don''''''''''''''''''''''''''''''''t hesitate to contact us. We are here to help and will do our best to assist you. Thank you for choosing our product. We hope you enjoy it!