I-261W MINI LAVA (USB) - Size: 52×21×21.5mm. - 0.5 Watt White LED. - Brightness: 50 Lumens. - Rechargeable Lithium-ion Polymer Battery. - Run time: 1.5 hrs (High Beam) / 6 hrs (Low Beam) / 16 hrs (Flashing) / 9 hrs (Pulsating). - Charge: 2 hrs (DC/5V, 0.5A). - Bracket: FB05, fit Ø19-Ø32mm. - Weight: 13.5g.