Features:- It will lights when you install the battery correctly and screw the float head.- Great fishing float for anglers by making them get the instant information of fishing.Material: EVABuoyancy: 30gFloat Weight: 15gBattery: 2 * LR41 /pcs Float (Not included)Light color: GreenSize: Approx. 10.5 x 3.8cm / 4.2 x 1.5inWeight: Approx. 10g / 0.4ozNote: When you use, only need to put the electronic positive, negative transfer, and then screw Floated head and the body, it will be shine.Package Weight : 9 G / 0.32 OuncesPackage Dimensions (L*W*H) : 105*38*30 MM / 4.13*1.50*1.18 InchesRetail Packaging: No, No PackingPackage Include:1 x Fishing Float