1. Over-temperature Alarm: When the recording value is less than 2°C or greater than 8°C, it will inform the abnormal situation in time, and the 'OK' indicator will flash green every 10 seconds. When recording and in alarm, the '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, with a recording interval of 10 minutes, and automatic stop when data is full. 3. Automatic Generation of PDF Reports: No need to download any software. 4. IP67 Waterproof Suit: Made of PET film, featuring dustproof, moistureproof, and waterproof properties. 5. Wide Application: Applicable to warehouse storage and logistics cold chain links such as refrigerated trucks, refrigerated distribution boxes, and cold storage. 6. Please note: Slight physical color difference or other minor differences do not affect use, please do not mind, thank you! 7. Color: As shown. 8. Material: Plastic. 9. Package Contents: 1x Temperature recorder. Only the above package content is included; other products are not included. 10. Note: Light reflection and different displays may cause the color of the item in the picture to differ slightly from the real thing. The measurement allowed error is +/- 1-3cm.