Dual use light can be used as a 70 lumen headlight or a 35 lumen tail light Both LEDs include 5 modes, High steady, Low steady, Daylight pulse, Nitelight pulse and Economic Flash USB rechargeable - no batteries to buy or replace Two lights in one - Use white light for the front or switch to red for rear use Power saving function- 10% power or less, lights will automatically switch to lowest lumen output Memory Function-Lights turn on at the last mode it was turned off Multiple mounting options-Vertical or Horizontal mounting options as well as clip for mounting to packs, bags, or belts Built in battery indicator- Red illumination = lower than 25%, Green = fully charged Black 5 Front or Rear Rubber Strap USB 70/35UPC/EAN/GTIN: 720018003687