An award-winning lighting system with a patented design specifically for bike helmets to maximize effective visibility on the roadwaysFeaturing:120 Lumen output certified to the FL-1 StandardPatented Design and Engineered with top of the line CREE LEDs and enhanced firmwareSingle LED front light and an array of 3 LEDS on the backToggle the rear light on and off, independently from the front - ideal for use when riding offroad - enahnces battery life even furtherAccurate battery status indicator with 4 status levelsCustom engineered reflectors and optical solutions optimize the light to distribute white, amber and red light 360 degreesQuick and easy snap on/off helmet mounting system (Tool-free design)MicroUSB Rechargeable - fully charges in 5 hoursLow battery warning and auto shut-off to prevent damageMultiple power settings: High - 2 hrs, Med - 5 hrs, Low/Flash - 14 hrsUltralight system weight means you hardly notice this setup on your helmet: 130 grams