Features: Multi-use temperature & humidity measuring and recording.Widely measuring range, high accuracy and large data memory. Statistics available on LCD screen. No software needed to generate PDF and CSV temperature report. Parameter programmable by configure software.The LCD screen be off after 10 seconds of inactive. Widely used in all kinds of warehouse management, logistics and cold chain, such as refrigerated containers, refrigerated package, cold storage, laboratory, etc. Specifications: Temperature Scale: ℃ / ℉ Temperature Resolution: 0.1 Temperature Accuracy: ±3%RH; ±0.5℃(-20~40℃), ±1.0℃(others) Temperature Range: -30~60℃; 0~85%RH Capacity: 32, 000 readings Startup Mode: Button or software Interval: Optional(default: 10 mins) Start Delay: Optional(default: 30 mins) Alarm Delay: Optional(default: 10 mins) Alarm Range: Optional(default: Less than2℃ or Greater than8℃, Less than40%RH or Greater than80%RH) Report: Automatic PDF and CSV Time Zone: UTC +0: 00 (default) Power Supply: 1 x 3V 210mAh CR2032 button battery Material: Plastic colour: white Package Contents: 4 x USB Temperature Humidity Recording Tester 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.