The easy-to-use temperature data logger features a plug-and-play USB port interface and allows faster access to data collected in any cold chain management process. It could be used in pharmaceutical, food, life science, cooler, medical cabinet, fresh food cabinet, freezer or laboratory. Different from normal USB temperature data logger, this temperature data logger has two types of alarms, single alarm and cumulative alarm. Its rugged and compact design meets the dynamic demands of any sensitive storage and transportation system. It records real-time temperature which is stored in non-volatile memory for access through the USB port. Characteristics: 1) Temperature measuring range: -30 ° C ~ 70 ° C; Resolution: 0.1 ° C 2) Accuracy: ± 0.5 ° C (-20 ° C ~ 40 ° C); others, 1 ° C 3) Temperature unit: ° C or ° F optional 4) Recording capacity: 32000 points (MAX) 5) Sensor: Internal thermal resistance NTC 6) Multi-alarms 7) Immediate start mode and synchronization start mode 8) Calibration certificate 9) CR2030 battery