Streamlight 88106 TL-3 3-Lithium LED Tactical Flashlight, Black Compact, powerful, tactical flashlight featuring an ultra-bright, super high-flux, Luxeon LED Black machined aluminum with tailcap/rotary on-off, removable pocket clip and adjustable wrist lanyard Three 3-volt lithium batteries provide up to 4 hours of high brightness and 50 hours of declining brightness Weighs 7 ounces .9 D x 6.25L