Vacuum food sealer Product dimension: 210×70×55mmBag size:Item# YL-271 (size: 220*210mm) Item# YL-272 (size: 260*280mm) Item# YL-273 (size: 220*340mm) Item# YL-274 (size: 260*340mm) Item# YL-275 (size: 300*340mm) Batteries 6 x 1.5V (AA)Input Voltage 9VOutput Power 12.5WPatent in ChinaWork with the vacuum bag,vacuum container and wine bottle cap.Using steps:1.Put the food like fresh meat, fish, beans, vegetable, fruits, medicine, capsicum, chiken, coolies, dry food etc. to the special designed plastic vacuum freezing bag, which is reusable for more then 100 times.2.Pull the zipper.3. Place the Bag flat on the counter making sure there is no food above the Maximum Fill Line or under the Air Valve.4.Press Vacuum Sealer Tip flat against Air Valve.5.Press the ON Button to remove air from Bag. Release ON Button when Bag becomes tight around food.finish in 20 secondsFeatures: Keep food fresh 2-3 times longer than traditional storage methods Save money by buying in bulk and pre-packaging individual servings Reseal open bags of potato chips and other foods Protect against freezer burn, spoilage and odor Pack lunches, leftovers, snacks or entire meals Protect cherished photos and valuable documents Keep charts, maps and matches safe and dry when boating or camping Seal baseball cards and stamps Wrap cosmetics for travel to protect against spills Prevent silver and jewelry from tarnishing Includes one roll polyethylene plastic bagging material