Model:RC-5Type: Digital Temperature Data Power 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 : 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 recording.Application: It is mainly used to monitor and record the temperature data of foods, , 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 are not included.Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.