1. Over-temperature Alarm: When the recording value is less than 2°C or great than 8°C, it will inform the abnormal situation in time, and the 'OK' indicator will flash green every 10 seconds. When recording, in alarm, ''Alarm'' LED will flash red every 10 seconds 2. Large-capacity Data Storage: 18,000 data capacity to meet the needs of long-term recording, recording interval of 10 minutes, data full of automatic stops 3. Automatic Generation of PDF Reports: no need to download any software 4.IP67 waterproof suit: PET film, dustproof, moistureproof, waterproof 5. Wide Application: applicable to warehouse storage and logistics cold chain links such as refrigerated trucks, refrigerated distribution boxes, cold storage, etc. Please note: the physical slightly color difference or difference, does not affect the use, please do not mind, thank you! Color: As shown Material: Plastic Package Contents: 1x Temperature recorder Only 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.