·Real-time liquid nitrogen level display. No need to remove plug and use liquid level meter to check liquid level.

·Real-time temperature display. Even liquid level sensor fail, user could know low LN2 level from temperature inrease. Provide dual-protection for samples.

·Optional relay to connect Wi-Fi for data transfer. User can check temperature and liquid level on line.

·Low power consumption technology and long life time for battery.

·Can be used for different size of containers with 125mm and 216m neck diameter.

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