Features 1、Don't worry that the siren will damage the fishing line, it is very sensitive, but not affected by the external environment such as electricity and wind. 2、As long as the fish bites the hook, the fishing alarm will immediately remind you, making a resounding sound to attract your attention. 3、Equipped with LED lights, it can emit bright lights when fishing in the dark, so there is no need to worry about not seeing fish in dark waters. 4、It is suitable for different types of fishing rods and is very convenient to use. It is suitable for sea fishing, ice fishing, fly fishing, bass fishing, trout fishing, kayaking fishing and dock fishing in different terrains. 5、Product is waterproof and powered by three LR44 lithium batteries. The battery has a long service life. If you often forget to turn off the switch, the battery power will not drop. Item Type: LED Electronic Fish Bite Finder Material: Rubber, PC Weight: Approx.40g/1.4oz Number of Batteries: 3 PC Battery Capacity: 160mah Battery Model: LR44 Lithium Battery (Internal Battery) Package List 1 x LED Electronic Fish Bite Finder