RN 1500 specially designed for serious cycling demands?and challenging riding conditions. It is a multi-functional bicycle light powered by a 5000mAh 21700 battery with a maximum output of 1500 lumens. All in one design bike headlight suitable for road, urban and mountain trails. Anti-glare light distribution with safe cut-off line, to reduce visual distractions for motorists, cyclists or pedestrians. It introduced USB-C charging & discharging integration port that supports heavy current. Hence?to bring faster charging & discharging experience . RN 1500 can be tightly installed on out front mount or under GOPRO camera mount. It is a powerful, reliable companion in the dark.