... of various size are availableEliminates freezer burn of frozen food items, maintains food taste Best package for ... as spare partshand -held ,small size,portable,convenientSpecifications:machine mateialABSBattery quantity6pcsmachine voltage7Vcharge power110v-240v,50 or 60HZNet ... circle 30 seconds Using steps:1. Put the food like fresh meat, fish, beans, vegetable, fruits, medicine, capsicum, chiken, ...