The Moon Meteor Storm Pro Front Light has a maximum output of 2000 Lumens with a run time of two hours at the maximum output.Moon Meteor Storm Pro Front Light Features2 pcs LUMINUS SST-40 high brightness LEDsMax. Lumens: 2000LM (FL-1 tested)Max.Runtime:160 hrs (FL-1 tested)Battery Type: Li-Ion 3350mAh x 2(Quick release)Recharge time: (2A: 4:00 hrs / 0.5A: 8:30hrs)Size (W x D x H): 115.7x 48 x 31mmWeight: 207 gMoon launched their first lights in 1996. Their dedication to design, quality and innovation have been continuously driving them to succeed in the market with a diversified product portfolio throughout the years.Their belief is to bring the utmost standard of illumination of bicycle light for cyclists who explore mountains & cities in the dark. Their inspiration is always leading them as a team of passionate cyclists, designers and engineers to pursue the most innovative technology.Every Moon bike light goes through rigorous reviews and tests in order to ensure maximum safety & illumination for your after-dark rides.