The bare weight of the product is 40g each, and the carton is 8g, totaling 48.3g. The carton dimensions are: 6.6*6.6*4cm 100 pieces per box Weight: 5.5kg Box volume: 35.5*27.5*22.5CM Buffer Fishing Alarm Device. This buffer fishing alarm device is convenient to use and carry. To use it, simply clip this product onto your casting fishing rod, turn on the power switch, and the alarm device will start working. This product is compact, aesthetically pleasing, reliable in quality, and affordable. It has been approved by the National Invention Patent (Patent No.: ZL 2008 1) 0188268 .7), practical (patent number: ZL 2010 2 0198946 .0), and appearance patent (patent number: ZL 2008 3) 0348052 3) In terms of functionality, it is more advanced than similar fishing alarms on the market. This alarm device emits a warning signal when the pulling force has been buffered for a period of time before the fish takes the bait. During this buffering period, which is exactly when the fish takes the bait, the subsequent alarm information is more reliable, resulting in a higher success rate in fishing. It's a rare product for fishing leisure.