Product details:

Intelligently monitors whether there is moisture and dust entering. It also maintains an airtight environment thanks to the automatic constant pressure. It can also automatically adjust the operating time according to the volume of pet food! Simply touch the air exhaust button to keep your pet food free from moisture. USB powered, no extra battery needed. When the cat food storage container needs to be charged, it will show a red light. Provides maximum freshness and prolonged food storage for optimal taste. You can also use it to store cereal, snacks, precision instruments, nuts, sugar, coffee, tea or anything else you may need to store! Made from 5A food-grade melamine material, smooth surface (smooth container wall makes it not absorb oil).