This U disk temperature recorder using high quality sensors, can record 32000 points. USB plug and play make it easy to read data. Applicable for refrigerated trucks, refrigerated package, cold storage, laboratory etc. Features: 1. High accuracy and large permanent data memory of 32000 points, record interval: 10s~24hour adjustable. 2. U disk design, USB socket can be directly connected to the computer. Data automatically uploaded, can export four kinds of report(Word/Excel/PDF/TXT). 3. After the recording points are used up, it can be reset to zero via software. 4. Two kinds of power supply, CR2032 battery(not included) or USB interface. 5. Mainly used for monitoring and recording the temperature data in foodstuff, medicine, chemicals and other products, especially widely used in all links of warehousing, logistics and cold chain, such as refrigerated containers, refrigerated trucks, refrigerated package, cold storage, laboratory, etc. Specification: Condition:100% Brand New Material: ABS Color: As Pictures Shown Temperature measuring range: -30 ~ 70 Resolution: 0.1 Accuracy: 0.5 (-20~ 40) others, 1 Temperature unit: or Hoptional Record capacity: 32000 points (MAX) Record interval: 10s~24hour adjustable Sensor: Internal NTC thermal resistor Communication interface: USB interface Waterproof grade: IP67(Can't use it in water) Application field: Can be used outdoors Power supply: CR2032 battery/USB interface Size: Approx. 80 x 33 x 14mm/3.1 x 1.3 x 0.6in Weight: Approx.52g/1.8oz Package list: 1 x Temperature Data logger(Not inlcuded Battery) 1 x User Manual Note: 1. Please allow 0~1 inch error due to manual measurement. Thanks for your understanding. 2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.