PR1600, 1600 LUMENS (USB) - Wireless Switch Control Headlight - Combined with all advanced optical and electronic technology of RAVEMEN lights, PR1600 is your best choice for trail riding, road cycling and bike travel. - Hilo beam system for mountain biking mode - Dimensions (Headlight):100mm x 48mm x 27mm - 1600 Lumens - Led: 2*CREE XM-L2 with lifes pan of 5000 hours - USB Rechargeable and 1.4 to 24 hrs run time - Battery: 6000mAh/3.7V rechargeable Lithium ion. - Micro USB charging port, compatible with most phone chargers. - Mode Road biking: 2.5h (High), 4h (Mid), 13.5h ( Low), 20h (eco) 24h (rapid Flashing) - Mode MTB: 1.4h (high ), 2h (Mid ), 4h (Low) - Fits: 31.8mm and diameter 35mm Handlebars - Material: Body Anodized aluminum and hard coat, handlebar mount durable plastic - Wireless Remote Switch - Battery runtime extension with USB C charging port - Water proof - Weight: 220g