SureFire DSE Dual Fuel Switch Assembly - Black The SureFire DSE Dual Fuel Switch Assembly in Black is the genuine replacement switch assembly engineered specifically for SureFire M600/M640 Dual Fuel Scout Light weapon lights and the SureFire BSL-A Ballistic Shield Light. Designed to maximize switching performance with SureFire&';s high-output 6-volt Dual Fuel weaponlight models, this assembly delivers the reliability and precision demanded by tactical professionals. The integrated pushbutton and remote switch operate completely independently, providing built-in switch redundancy for mission-critical situations. A positive lock-out feature prevents unintentional activation during tactical operations, transportation, or storage. The switch receptacle is compatible with ST07, SR07, and SR07-D-IT remote tape switches (sold separately). Constructed from aerospace-grade aluminum with a Mil-Spec Type III hard-anodized finish and gasket-sealed to repel moisture, the DSE is built to perform flawlessly in the most demanding environments. Product Highlights Genuine Replacement Switch Assembly - Purpose-built for SureFire M600DF, M640DF Dual Fuel Scout Lights and BSL-A Ballistic Shield Light for maximum compatibility and switching performance. Dual Independent Switch Operation - Integrated click-on/off push-button and remote switch receptacle function independently, providing redundancy and flexible activation options. Positive Lock-Out Feature - System disable feature positively prevents unintentional activation during tactical operations, transportation, or storage. Swiveling Two-Piece O-Ring Sealed Housing - The two-piece, O-ring sealed housing swivels for precise positioning of the integrated click-on/off switch, ensuring operator-preferred placement. Mil-Spec Durability - Machined from aerospace aluminum with a Mil-Spec Type III hard-anodized finish and gasket-sealed construction to withstand harsh conditions and moisture. Specs Brand: SureFire MPN: SURDSEBK UPC: 084871332026 Color: Black Material: Aerospace Aluminum Finish: Mil-Spec Type III Hard-Anodized Sealing: Gasket-Sealed, O-Ring Sealed Housing Compatibility: SureFire M600DF, M640DF Dual Fuel Scout Lights, BSL-A Ballistic Shield Light Remote Switch Receptacle Compatibility: ST07, SR07, SR07-D-IT (sold separately) Package Weight: 0.105 lb Box Dimensions (L x W x H): 8.25" x 4" x 1.05" Note: Not necessary for Turbo Scout Light Pro models Disclaimer: We strive to provide accurate and up-to-date product descriptions, specifications, and images; however, errors or omissions may occasionally occur. We are not responsible for any inaccuracies or discrepancies in the content provided. If you notice anything incorrect or unclear, please contact us so we can correct it. When in doubt, we recommend verifying details directly with the product&';s manufacturer.