LAVA SET I-260WR (USB) Size: [Front] 48×27.7×21mm / [Rear] 42×27.5×24.5mm. - Led: [Front] 2 White LED / [Rear]3 Red LED. - Brightness: [Front] 80 Lumens. - Rechargeable Lithium-ion Polymer battery. - Run time: [Front] Up to 1 hrs (Super Bright) / Up to 2hrs (Boost) / Up to 3.5 hrs (Constant) / Up to 7 hrs(Flashing) / [Rear] Up to 2 hrs (Super Bright) / Up to 5 hrs (Constant) / Up to 12.5 hrs (Flashing) / Up to 25 hrs (Chasing). - Charge: 2.5 hrs (DC/5V, 0.5A). - Bracket: [Front] FB05, fits Ø19-Ø32mm / [Rear] RB05, fits Ø19-Ø32mm. - Weight: [Front] 15.7g / [Rear] 15.2g.