The innovative reversible helmet light shines white towards the front and red towards the back. The light offers USB charging, 4 LEDs and is visible from all angles thanks to its design. Easy fastening with rubber bands. Maximum luminous intensity: 140 Lumen (front), 10 Lumen (rear) Light source: 2x white high intensity LED (front), 2x red high intensity LED (rear) Battery: 3.7V 680mAh Lithium Ion (integrated) Lighting modes: 3.3 hrs. (high luminance), 5.5 hours. (medium luminance), 33 hrs. (low luminance), 28 hrs. (white: medium luminosity / red: flashing) Charging: micro USB / 2 hours Input: 5V 500mA Material: injection molded polymer Mounting: rubber bands Waterproof: IPX 6 Alarm: low battery Dimensions: 6.9 x 4.4 x 2 cm Weight: 40 g Art.No.: TMS090B