MOISTURE PROOF DESIGN: Professional anti-freeze and moisture-proof design, can be used as low as minus 30 degrees.
LONG BATTERY LIFE: Long battery life, USB fast charging. Built-in 1200mAh battery, charged for 2 hours can support 30 days' daily use.
PORTABLE: Small and compact, it does not take up much space. Equipped with a buckle for hanging use, hanging inside the fridge door to release the deodorizing molecules to the cold storage area, with better diffusion, no dead angles.