ENHANCED DURABILITY - Built with robust materials, the SureFire RSR-SR07 withstands rigorous use, ensuring reliable performance in demanding tactical environments for XLV2 and XVL2-IRC. SUPERIOR COMPATIBILITY - Designed specifically for SureFire XLV2 and XVL2-IRC weaponlights, this switch integrates seamlessly, providing flawless operation and maintaining peak performance. INSTANT ACTIVATION - The momentary/constant tap switch allows for quick light activation, giving you precise control in critical situations with a simple touch for XLV2 and XVL2-IRC. INCREASED BRIGHTNESS CONTROL - Manage your light intensity effortlessly with the responsive tap switch, optimizing visibility and conserving battery life during prolonged use with XLV2/XVL2-IRC.