The Ion 100 R is daytime visible and designed for the city. A wide beam spread, focused optics, and an interruptive flash pattern make it visible from over 500m during the day. A built in ambient light sensor provides auto-brightness control, and the included Quick Connect bracket offers simple removal for recharging via the included USB cable. Focused optics provide be seen safety with a broad but powerful light. Integrated light sensor auto-adjusts brightness in flash mode. 100 Lumens via high-power CREE LED. Ideal for handlebar or on bike mount. 100LM-1.5hrs, 50LM-3hrs,5LM-16hrs, Night Flash-7hrs, Day Flash-5hrs. Includes quick connect bracket and micro USB charging cable. Blendr compatible, secure bar mount available.