One Touch Auto-Vacuum: Reduce level of humidity and lower the temperature in seconds to keep pet food fresh; Super Long Stand By Time: Charge for 3.5h can last 60 days; Monitor By App: IoT system, monitoring in real time; FDA Approved ABS Materials: Infant food-grade materials, safety always goes first. Fashion Design: Taro grey or starry blue, looks like a modern luxury home decor. **Suitable for kinds of dry food & coffee beans.