Seeker 2 is powered by a single 21700 (5000 mAh) customized lithium rechargeable battery. Using three highly efficient OSRAM LEDs paired with a TIR optic lens help to provide a perfect medium and close-range illumination experience. The Seeker 2 features a large side switch, located near the head of the light, for comfortable thumb operation. The indicator built into the center of the switch clearly displays the remaining battery power with a green, orange or red color. The contoured grooves on the surface of the aluminum alloy body is designed to provide a comfortable non-slip grip. Compatible with most USB power sources, the magnetic charging cable is convenient to use, making the Seeker 2 a perfect illumination tool to be used at home, outdoors, or on duty.