Features: 1.Alarm Function: When the temperature exceeds the set alarm value or the voltage falls below 2.5V, an alarm will be generated and the red light indicator will be on in the alarm state. 2.180 Days: The upgraded battery has a long battery life, low power consumption, lasting up to 180 days of operation, and up to 8,640 record entries. 3.Advantages: Specially designed for temperature monitoring temperature recorder, delicate and lightweight, easy to carry, fashionable and beautiful. 4.PDF Reports: The recorder can be directly connected to cell phones or computers, and supports automatic generation of PDF reports, disposable design, convenient and simple. 5.Application: Used in a variety of scenarios, for example, cold chain transport, pharmaceutical blood reserves, food fresh cold storage, laboratories and other environments. specification:Item Type: U Disk Temperature Data Logger Material: ABS Times of Use: Disposable Temperature Accuracy: 1.0C(0C-40C), 2C(other ranges) Temperature Detection Range: -30C to +70C Number of Records: 8640 Recording Interval: 2 data intervals (ranging from 1 to 99 minutes) File Format: PDF+CSV Interface: USB, Type C Battery Type: Built in 240mAh CR2032 button cell PackageList:1 x TemperatureDataLogger 1 xSticker 1 x User Manual NoteDisposable products end recording after connecting to a computer or cell phone, and the device no longer records new data.