Topeak HeadLux Dual USB Rechargeable Light

2 white high power LED’s (Front) 140 Lumens plus 2 red high power LED’s (Rear) 10 Lumens Fits helmet / road bike dropbar 4 Modes: 3.3 hr (High), 5.5 hr (Middle), 33 hr (Low), 28 hr (Front: Middle / Rear: Blinking) 3.7V 680mAh Lithium Ion (integrated) Charge time 2 hrs with Micro USB