About Product:This product applies to all families, hotels, hotels, restaurants, canteens, food markets, supermarkets, keeping stores, farms and factories, etc. The use of products with honey water in the bait or \"according to their own situation to choose vinegar or ribbon fish smell or sweetness will lure flies to this product, And then through the product has no will fly back to the rotation of the plate to 36 per box / 30, the collection box packaging USB interface in both Chinese and English/into/flat plug, Charging is optional.