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The core advantage is its portability and multi-power supply modes. The built-in ergonomic handle and anti-slip base make it easy to carry to field operation sites. It supports three power supply modes: 12V/24V vehicle DC power, 110V/220V household power and solar charging, meeting the power needs of different scenarios. The built-in 20000mAh large-capacity lithium battery can operate independently for up to 10 hours, suitable for wild environments without external power supply. The silent refrigeration and heating module operates at ≤45dB(A), which will not interfere with field operations and medical work. The food-grade PP interior ensures the safety of stored items, and the electronic combination lock prevents unauthorized access, making it suitable for vaccine, blood sample and fresh food storage.

The overall external dimensions are 400mm(W) × 300mm(D) × 350mm(H), with a net weight of 8kg. The internal volume is 30 liters, which can hold up to 5 standard sample fresh-keeping boxes. The input voltage supports DC 12V/24V, AC 110V/220V, and the built-in 20000mAh lithium battery takes about 3 hours to fully charge. The temperature adjustment range is 0°C to 40°C, and the humidity range is 40%RH to 70%RH. The LED screen displays real-time temperature, humidity and remaining power, and supports one-click switching of power supply modes. It has a low-power alarm function that sends a reminder when the power is lower than 10%, ensuring normal operation when needed. The shell is made of fall-proof and shock-proof ABS engineering plastic with internal foam buffer, adapting to the transportation needs of complex road conditions in the wild.
It is mainly applicable to field scientific research biological sample storage, mobile medical station vaccine and blood sample transportation, temporary fresh food storage during outdoor camping, prop constant temperature storage during film and television shooting, and emergency drug storage during field rescue. Typical application scenarios include plant sample storage by ecological research teams, vaccine storage in mobile vaccination vehicles, fresh food preservation by camping enthusiasts, and moisture-proof storage of camera lenses in outdoor photography, helping users maintain a stable temperature and humidity environment in mobile scenarios and protect valuable items and samples from environmental changes.