The lezyne macro drive duo light is a compact and powerful 2 in 1 helmet light innovative machined aluminum body integrates front and rear leds with side visibility maximum of 400 lumens up front and five lumens in the rear micro usb rechargeable with high speed 2 amp charging capabilities includes versatile cm helmet mount that follows line of sight for optimized night riding lezyne macro drive duo light features max lumens 400 weight 93g recharge time 4hrs 1a 3hrs 2a batt