Auto Vacuum Monitoring: Consistently detects and maintains vacuum pressure between -25KPA and -33KPA. When pressure drops, the system automatically reactivates to ensure an oxygen-free environment. Effortless One-Button Operation: Start the vacuum seal with a single press of the power button. Pumping completes in just 12 seconds. For access, press the release valve for 3 seconds to easily open the lid. Long-Lasting Battery: Enjoy 3-6 months of use from a 4-6 hour charge. Compatible with standard 5V 2A/1A adapters. Safe and Durable Materials: This BPA-free canister features a protective silicone base and comes in food-grade 304 stainless steel or robust borosilicate glass. Lightweight and Easy to Clean: Weighing only 400-460g. Built with a frosted ABS exterior to resist dirt, a quick wipe with a damp cloth keeps it looking fresh. Please use a dry cloth for the cover.