LR800P, 800 LUMENS (USB) - Curve Lens with Side Visibility - Runtime Extension - Dimensions (Headlight): 85mm x 36mm x 30mm - 800 Lumens - Led: 1* CREE XM-L2 with lifes pan of 50000 hours - USB Rechargeable and 1.2-11.5 hrs run time - Battery: 2600mAh/3.7V Lithium ion batteries (USB) - Wide Beam: 1.2h (High), 1.9h (Mid), 4.3h ( Low), 11.5h (rapid Flashing) - Fits: 22.2mm to 35mm Handlebars - Material: Anodized aluminum - Weight: 120g