Model:RC-5Type: Digital Temperature Data Logger supply: Built-in wide temperature CR2032 button battery or USB interfaceTemperature range: -30C ~ 70CTemperature measurement accuracy: -20 C ~ 40 C Within the temperature range, the accuracy is 0.5 C; the remaining 1 CRecording capacity: 32000 setsRecord interval: 10 seconds to 24 hours can be set as neededResolution: 0.1 CSensor: Built-in NTC thermistorData Interface: USB InterfaceData output: USB socket directly connected to the computerProtection class: IP67Use battery: CR2032 button battery(Not included)Instructions for use: long press the key for more than 4 seconds, after the interface shows sign, it means the instrument yi8jing start recording.Application: It is mainly used to monitor and record the temperature data of foods, drugs, chemicals, etc. during storage and transportation. It is widely used in all aspects of warehousing, logistics and cold chain, such as refrigerated containers, refrigerated trucks, refrigerated bags, cold storage, Laboratory etc.color:Blue+whiteMaterial:ABSsize:75 x 33 x 13mmPackage Contents:2 x Digital HygrometerOnly 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.