I-210P OLLEY (USB) - Size: 49×28×22mm. - Led: 1 × 3 Watt White LED. - Brightness: 100 Lumens. - Battery: Rechargeable Lithium-ion Polymer battery. - Run time: 4 hrs (Low) / 1hrs (High) / 20 hrs (Flashing) / 8hrs (Daytime Flashing). - Charge: 2 hrs (DC/5V, 0.5A). - Bracket: FB05, fit Ø19-Ø32mm. - Weight: 18g.