I-210R OLLEY - Size: 50.6×28×20mm. - Led: 38 chips COB LED. - Brightness: 20 Lumens. - Battery: Rechargeable Lithium-ion Polymer battery. - Run time: 4.5 hrs (Low) / 1.5 hrs (High) / 20 hrs (Flashing 1) / 5 hrs (Flashing 2) / 7.5 hrs (Flashing 3) / 15 hrs (Flashing 4) / 8 hrs (Daytime Flashing). - Charge: 2 hrs (DC/5V, 0.5A). - Bracket: RB05, fit Ø19-Ø32mm. - Weight: 18g.