The UNI-T UT333 Mini Digital Temperature and Humidity Meter is a compact and reliable device designed for accurate measurement of temperature and humidity in various environments. This easy-to-use meter provides quick and precise readings , making it ideal for both professional and personal use. With its lightweight and portable design , the UT333 is perfect for monitoring indoor environments such as homes, offices, warehouses, laboratories, server rooms, and storage areas . The clear digital display allows users to read temperature and humidity values instantly, helping maintain optimal environmental conditions. The UNI-T UT333 is widely used in HVAC inspection, environmental monitoring, quality control, and industrial maintenance . Its durable construction ensures long-lasting performance, while the simple one-button operation makes it user-friendly for technicians and DIY users alike. Features: Accurate temperature and humidity measurement Compact and lightweight mini design Easy-to-read digital display Simple one-button operation Ideal for indoor and portable use Specifications: Functions: Range: Resolution Accuracy Humidity 0～99%RH 0.1%RH ±5％RH（0～99%RH） Temperature -10～60℃ 0.1℃ ±1.0℃ 14～140℉ 0.2℉ ±2.0℉ Sampling Rate 0.5s Overload Indication OL MAX/MIN MAX/MIN Data Hold HOLD Unit Conversion ℃/℉ LCD Backlight Yes Auto Power Off 5min Low Battery Indication 3.0～3.5V Battery 4.5V Current Consumption working mA ≤25mA Power off uA ≤10uA Working Environment temperature 0～40℃ humidity ≤80%RH Storage Environment temperature 20～60℃ below humidity ≤75%RH Key Functions ON/OFF Short press: power on/off MAX/MIN Short press to switch between MAX/MIN/QUIT ℃/℉ Short press to switch between ℃/℉ HOLD/BL Short press to start data hold mode, long press to turn on/off the backlight Uses: Home and office environment monitoring HVAC system inspection Warehouse and storage humidity control Laboratories and server rooms Industrial and electrical maintenance Package Includes: 1 x UNI-T UT333 Mini Digital Temperature And Humidity Meter