The SureFire CSP-09 Weaponlight Remote Switch Picatinny Mount for SureFire Lights offers instant, reliable activation and rail-space efficiency for tactical setups, providing both momentary-on and constant-on capabilities from a single, user-friendly switch. With a light press delivering momentary activation and a click delivering continuous illumination, this durable polymer remote switch ensures your SureFire WeaponLights are instantly ready when you need them. Its compact, rugged design securely attaches to any Picatinny rail, making it compatible with a range of firearm configurations while preserving valuable rail real estate. Engineered to SureFires high standards, the CSP-09 is compatible with WeaponLights including the Millennium Universal Classic and Scout Light models fitted with socketed tailcaps, delivering dependable illumination in demanding environments. Whether employed in tactical operations, hunting, or general target engagement, this remote switch enhances hand-ready access to lighting, enabling precise control and immediate response without altering grip or duty posture. The CSP-09 embodies SureFires commitment to performance, durability, and reliable light management when illumination matters most.