LED Deep Drop Underwater Sea Fishing-Light/ Squid Lure Flash Fish Attracted-Lamp Features: Made of high-quality materials, durable. Waterproof, anti-pressure, antirust, riot control. Hard body, with front & butt rotatable hole to connect fishing line. It belongs to the broad-spectrum bait and is suitable for any waters includ saltwater and freshwater. Often used in cephalopods (octopus, squid, Cuttlefish, etc.) Instructions for use. In the fresh water trial, flashing green is better! In seawater trials, flash white is better! Between the two, flashing blue is a universal color! Usage Tips: Firstly, please check if the parts are complete.  Secondly, make sure that the positive and negative poles of the dry battery are not installed reversely.(Come with 1pc CR425 battery). Specification: Material: Plastic Light Color: White,Red,Blue,Green(As shown in the picture) Size:73.5*10mm(approximately) Package content: 1*Fishing Light Note: The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. Please allow slight manual measurement deviation for the data.