Xeccon Spiker1210 1600 Lumen LED mtb Handlebar & Helmet Bicycle Light with 7800mAh Samsung Battery BSS Our most popular floodlight to date! Waterproof Level Up to IPX6!! Powerful 1600 Lumen, Four Cree XP-G R5 LEDs send blinding white far and wide! Four steady modes High/Mid/Low/OFF AND step-less brightness light the path at night, four strobe modes Fast/Mid/Low/SOS alert motorists! Samsung 7800mAh hard shell battery provides enough power for bike racing! Fits 25.4 to 40mm handlebars; can also be used as helmet light. Helmet Mount Kit INCLUDED!!