VOICE CONTROL: Control your headlamps output without touching itusing simple voice commands to adjust light intensity, beam shape, beam color, and more. VARIABLE LIGHT CONTROL: Easily adjust your headlamps light outputusing the Variable Light Control Technology dial to regulate beam intensity. REAR-FACING SAFETY LIGHT: Make yourself visible to those behind you with an independently controlled safety lightshining solid red or flashing redbuilt into the battery housing at the rear of the head strap. FOUR-COLOR MODES: Select from four beam colorsthe white flood and spot beams, green and blue LEDs, or the white or anti-glare red ARC280 light. BACKED BY COAST LIFETIME WARRANTY: Take confidence in your product knowing it is backed by COASTs total commitment to quality and Lifetime Warranty program.