Streamlight 88122 TL-2 IR LED Flashlight with Lithium Batteries, Black High power IR 850 nm LED, compatible with most night vision equipment Black machined aluminum with tail cap and rotary on-off, removable pocket clip and adjustable wrist lanyard Two 3-Volt lithium batteries provide up to 3.5 hrs. Runtime to the 10-Percent output level Anti-roll head Head: 1.25-Inch, body: 0.9-Inch by length 5.25-Inch