Ride safe and be seen at night with the helmet light. Innovative double sided helmet mounted light shines white facing forward and red towards the rear and features 4 LEDs with wrap around lenses for visibility from all angles. Top mounted button controls constant and blinking modes. Lamp 2 White LED #8217 s and 2 Red LED #8217 s Battery CR2032 (2) (Included) Control 3 Modes. White Constant / Red Blinking White Blinking / Red Blinking White Constant / Red Constant Burn Time (approx) 70 hrs / 100 hrs / 50 hrs Lamp Housing Injection Molded Plastic Luminous Intensity 1 (Lux/5M) / 0.6 (Lux/10M) Mount Helmet Size (L x W x H) 6.5 x 3.5 x 3 cm 2.6 #8221 x 1.4 #8221 x 1.2 #8221 Weight 24 g / 0.84 oz (light only)