Dual-Fuel Multi-Color Helmet Light. Powered by a single CR123 lithium or one AA battery, the Princeton Tec Charge X is the ultimate all-in-one helmet lighting solution. This light features a 100 lumen dimmable white light, along with red, green, blue, and IR LEDs. Charge X's simple programmability allows for setting and changing the order in which the colored LEDs appear upon activation for highly personalized performance. This helmet mounted light features an upgraded version of Princeton Tec's signature flexible boom that allows for easy and accurate spot illumination that adapts to the task at hand. Lastly, Charge X's small footprint occupies minimal "rail estate," leaving plenty of room for other vital rail attachments. Mounting OptionsARCsEXFIL RailMLOKMOLLE/PALSPicatinnyAbove the RailHeadstrapHook & Loop