I-411W VISTA - Size: 68.8x41.6x24.2mm. - Led: 0.5 watt ultra-bright white led. - Battery: AAA x2. - Run time: 8 hrs (Hi-beam) 15 hrs (Low-beam) 20 hrs (Flashing). - Bracket: FB03, Ø19-Ø32mm. - Weight: 30g (w/o battery).