1pcs RC-5 USB Temperature Data Logger Recorder - White+Blue-75*33*13mmPower supply: This product does not contain batteriesTemperature measurement range: -30-+70Temperature measurement accuracy: within the temperature measurement range of -20-40The accuracy is 0.5, and the rest is 0.1Recording capacity: 32000 groupsRecording interval: 10 seconds-24 hours can be set as neededResolution: 0.1Sensor: Built-in NTC thermistorData: USB interfaceData output: USB port directly connected to computerProtection level: IP67Product size: 75*33*13mmInstructions for use: Press and hold the power button for more than 4 seconds, and the interface display will appear. After the mark, it means that the instrument has started recording.Application areas:It is mainly used to monitor and record temperature data during the storage and transportation of food, medicines, chemicals, etc. It is widely used in all aspects of warehousing, logistics, and cold chains, such as refrigerated containers, refrigerated packages, refrigerated trucks, cold storage, laboratories, etc.