I-8180 TRON COMBO - Size: [Front] 57x32x25mm / [Rear] 55.5×26×24mm. - Led: [Front] 3 watt white LED / [Rear] 42 chips COB and 10 SMD LED. - Brightness: [Front] 300 Lumens (Daytime Flashing) / [Rear] 50 Lumens (Daytime Flashing). - Rechargeable Lithium-ion Polymer battery. - Run time [Front] 8hrs (constant) 4hrs (boost) 2hrs (super bright) 8hrs (pulsating) 3.5hrs (daytime flashing) / [Rear] 6 hrs (Low) / 1 hr (High) / 9 hrs (Flashing 1) / 13.5 hrs (Flashing 2) / 20 hrs (Flashing 3) / 3.5 hrs (Flashing 4) / 8 hrs (Daytime Flashing). - Charge: 2.5 hrs. - Bracket: [Front] fit Ø 18-Ø48mm / [Rear] RB05, fit Ø19-Ø48mm; RB08, fit 69-150mm. - Weight: [Front] 53g / [Rear] 23g.