The SureFire TITAN PLUS 300 Lumen Multi-Stage Keychain Light features 3 output settings. With just a twist of the head these settings can be switched easily. The Titan-B has a high output of 300 lumens, all from a single AAA battery. The flashlight itself is 3 inches long and has a diameter of .58 inches. The body also has a stainless steel ring on the tailcap for easy attachment to your keychain.
Virtually indestructible, high-performance LED is regulated to maximize output and runtime at three useful levels: 300, 75, and 15 lumens
Proprietary faceted reflector creates broad, smooth MaxVision Beam that matches your field of view and allows for better situational awareness
Head switch simply twist counterclockwise repeatedly to activate and set output levels
Powered by an included rechargeable AAA NiMH battery; can also be powered by a single readily available AAA alkaline battery