TempU07B is a simple and portable LCD screen temperature and humidity data logger . This product is mainly used to monitor and record the temperature and humidity data during transportation and storage. It's are widely used in all aspects of the warehousing and logistics cold chain, such as refrigerated containers, refrigerated trucks, refrigerated distribution boxes, and cold storage laboratories. Color: white+blue material: plastic Project Parameter Probe Measuring Range Humidity 0%~100%RH, Temp -40~85 Accuracy +3%(10%~90%).5%(other;+0.3(0~600.6(other) Resolution 0.1%RH typically, 0.1 Data Capacity 34560 Usage Multiple times Start Mode Button Start or Timed Start Recording interval User configurable (10 seconds to 99 hours) Start Delay User configurable (0~ 72 hours) Alarm Range User configurable Alarm Type Single type, Cumulative type Alarm Delay User configurable (10 seconds to 99 hours) Form of Report PDFand CSV format data report interface USB2.0 Interface Protection Level IP65 Product Size 100mm x 43mm x 12mm Product Weight 85g Battery Lifetime More than 2vears (Normal temperature 25) Package Contents: 1 x Temperature and humidity recorder Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.