Tube led light, attract the fish on the hook. Tighten the battery after adding light, unscrew when not in use. Day and night can be used. The lamp shell is made of transparent plastic, and can normally be exposed within 300 meters of water depth. The wick piece is made of the double-sided epoxy plate. The circuit part adds an impulse circuit to sufficient voltage. In order to make the lamp skip of colors, and increase the flashing light. Small, bright, solid and durable, high brightness display with led light. size: 17cm Material: Plastic colour: Transparent Package Contents: 6 x Fishing Lure Light(2 blue light, 4 colored light) Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.