... , can be installed in anywhere. Application: Light nock, night fishing ,light fishing float, military camping,marine liftsaving, night signal climbing, lure ... Size : Φ4.05*35mmBattery:Bulid in batteryApplication: Light nock, night fishing ,light fishing float, military camping,marine liftsaving, night signal climbing, lure ... product:95*50*5mmDelivery Detail: Within 20days with MOQ LED Fishing Gear