The Meow Enjoy Pet Vacuum Feeder is the only smart feeding device on the market with vacuum freshness-locking technology. A miniaturized vacuum pump and air pressure sensor work together to maintain an effective vacuum environment. Its key innovation, a patented sliding discharge port structure, offers superior sealing stability compared to traditional rotary closures. Combined with a tilted discharge channel and sealing gasket, it notably enhances overall airtightness and vacuum reliability.