Adjustable Time Knob, Easy to UseThe vacuum sealing machine is easy to operate and can quickly seal mason jars. The device can operate with one button after pressing the lid, and the default time is 30 seconds. In addition, we have designed left and right adjustable time knobs so that you can manually adjust the time as needed to achieve a better sealing effect. The maximum time for a single operation is set to 180 seconds.

Suitable for Regular and Wide Mouth Mason JarsThis is a 2-in-1 mason jar sealer that is detachable and convertible and can be used for regular and wide mouth mason jars. Equipped with 5 regular lids and 5 wide lids, it can meet the needs for common home use. In addition, a lid removal tool is included to easily pry off and retrieve the lid.

Large Capacity BatteryThe mason jar sealing machine has a built-in rechargeable battery with a large capacity of 1200mAh, which has a standby time of approximately 30 days after being fully charged. Comes with a type-c power cable ready for charging the mason jar sealer.

[Powerful Suction, Low Noise] The mason jar vacuum sealing machine uses a 500cc capacity air pump motor core with a suction power of up to 60KPA, which can complete the sealing of mason jars in 30 seconds, with a working noise of less than 60db, strong suction and durability.

Convenient and Practical Fresh-keeping ToolWith this portable mason jar sealer, you can save money by keeping food stored in mason jars fresh and avoiding food waste.