​Product Description: *The mini Hygrometer is novel, compact and portable in appearance design, stable and reliable in performance, low in power consumption and high in temperature. Suitable for industries such as factories, laboratories, warehouse management, food hygiene, air conditioning systems, environmental protection, etc., to real-time understand and grasp changes in environmental information. Specification: *Temperature range: -20-70 ℃ (-4-158 ° F) *Humidity range: 0-RH *Accuracy: ± 1.0 ℃/± 4.0% RH *Dew point range: -20-50 ℃ (-4-122 ° F) ± 2 ℃ *Wet bulb range: -20-50 ℃ (-4-122 ° F) ± 2 ℃ *Working current: 6.3mA *Record data: 1000 transactions *Recording interval: 10S (not settable) *High and low value alarm: High alarm: 35 ℃ 80% RH; Low alarm: 10 ℃ 10% RH (not settable) *Automatic shutdown: no operation for 15 minutes, automatic shutdown, low battery automatic shutdown Battery level reminder function Power supply: 3 * 1.5AAA battery Package Includes: 1 * Mini Hygrometer