These new fantastic lights lasts for approx 90hrs and waterproof to 40 metres so can be used on rigs as an attractor or on rod tips and floats, Batteries are replaceable so fantastic value 1 led light with battery installed Imagine how many chemical lights you would need for same usage.Available in Red Green and Blue Now with the option of including new lightweight rod tip holder  that can be Whipped or taped to rod will also take other chemical lights