Lezyne's Macro Drive Duo is a compact and powerful 2-in-1 helmet light. Innovative machined aluminum body integrates front and rear LEDs with Side Visibility. Maximum of 700 lumens up front and 30 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.