One Hundred Concepts AdminCap Light Cover Fits Surefire Vampire Light Matte Finish Black Includes ShockCollar. It includes a unique feature known as ShockCollar technology which allows it to clamp onto the head of Surefire Vampire lights securely. Dual Functionality: By using a pin hole in the front of the AdminCap it allows users to reduce the power of full-power lights for close-up administrative tasks. This essentially provides dual functionality: users can switch between high-power settings suitable for general illumination and reduced-power settings ideal for tasks requiring less light intensity. Integration with Surefire Vampire: The AdminCap is specifically tailored for Surefire Vampire lights due to their popularity as helmet-mounted lights in military and other applications. It enhances the Surefire Vampire's functionality by allowing seamless rotation between infrared (IR) and visible light settings without snagging thanks to its flipper-tab-less design. Light Modes: When combined with the AdminCap the Surefire Vampire light offers four accessible light modes in one package: Low infrared (IR) High infrared (IR) Low visible light High visible light Application and Benefits: This setup is particularly useful in contexts where users require versatile lighting options without compromising on ease of use or functionality. The AdminCap's design ensures rapid access to different light modes and enhances the overall utility of the Surefire Vampire lights in various operational scenarios. Due to the nature of flashlight emitters you may notice a "dual ring" effect this is normal. Features: Admin level light output - SureFire Vampire Only Specifications for One Hundred Concepts AdminCap Light Cover Fits Surefire Vampire Light Matte Finish Black Includes ShockCollar: Manufacturer: One Hundred Concepts Color: Black Finish: Matte Black Additional Features: Surefire Vampire Light cover Included Accessories: ShockCollar Handle Color: Black Blade Finish: Matte Case Finish: Matte Features of One Hundred Concepts AdminCap Light Cover Fits Surefire Vampire Light Matte Finish Black Includes ShockCollar: Pin Hole Creates Dual Functionality Package Contents: One Hundred Concepts AdminCap Light Cover Fits Surefire Vampire Light Matte Finish Black Includes ShockCollar One Hundred Concepts AdminCap Light Cover Fits Surefire Vampire Light Matte Finish Black Includes ShockCollar OHC-ADMINC-VAMP-BLK