I-265P LAVA 500 LITE (USB) - Size: 80 x 38.3 x 27.3 mm - Led: 1 White LED - Brightness : 700 Lumens (Daytime Flashing) - Rechargeable: Lithium-ion Polymer Battery (USB) - Run time: 8 hrs (Low Bean) /4 hrs (High Beam) / 24 hrs (Flashing) / 20 hrs (Daytime Flashing) / 4-20 hrs (Auto) - Charge: 3h - Bracket: HB11, fit Ø19-Ø40 mm - Bike and helmet mountable (optional helmet bracket sold separately) - Water resistant. - Weight: 68g