Features Resistance to water and dust ------> Offers IP67 water and dust resistance, high accuracy, large storage capacity Protect The USB -----> With a plastic case to protect the USB interface Function ------> Automatic storage, USB data transmission, computer management, superior images, statistics, etc. Compliance with various high precision measurements ------> Can meet various long-term measurement and monitoring requirements for measurement and recording of temperature, humidity and atmospheric pressure Application ------> Suitable for medicine, transportation, storage and other occasions Specification: Size: Approx. 12.3 * 3cm/4.8 * 1.1in Weight: Approx.88g/3.1oz Function UT330A UT330C Water Dust IP67 Resistance IP67 Measurement Temperature range: -40 ~ 80 Temperature: -40 ~ 80 ℃ Humidity: 0-100% RH, without condensation Atmospheric pressure: 750-1100hpa Resolution temperature: 0.1 Temperature: 0.1 ℃ Humidity: 0.1% RH Atmospheric pressure: 0.1hpa Measure Temperature accuracy: -40 ~ -30 ℃: ± 2.0 -30 ~ 0: ± 1.0 0 ~ 40 ℃: ± 0.5 40 ~ 70 ℃: ± 1.0 70 ~ 80 ℃: ± 2.0 Temperature: -40 ~ -30 ℃: ± 2.0 -30 ~ 0: ± 1.0 0 ~ 40: ± 0.5 40 ~ 70 ℃: ± 1.0 70 ~ 80 ℃: ± 2.0 Humidity (at 25): ± 3.0% RH (20% ~ 80% RH)) ± 5.0% RH ( 80% RH) Atmospheric pressure (at 25): ± 3hPa Data storage 0-60000 0-60000 List of packages: 1 x USB data logger 1 x fixed support 2 x screws Package List