SecurityIng&reg; 2200 Lumens XM-L T6 LED + XPG-R5 LED Headlamp Super Bright Bicycle Light with Rechargeable Battery Pack and Charger Intelligent circuit control, 4 switch modes. Can be used as headlamp or bicycle light. Easy to install and use. Perfect for outdoor sports, such as camping, traveling, etc. Internal wiring adopts the high efficient booster circuit. Working voltage is wide and can utilize the batteries to the largest extent.