Goliton&reg; 1200lm Lumens Cycling Headlight Headlamp Bicycle Lights Bike Lamp with USB Cable 3 Mode 2 in 1 design: Headlamp & Bicycle light. Specially designed with USB power port (5V), perfect to be used with power bank (not included) so that you can totally get rid of the cumbersome battery carrying. LED, maximum lumen up to 1200LM, ultra bright. Three Modes: Strong, Weak and Flash (by pressing the button). Durable aluminum alloy crust, abrasion resistance.