UNIVERSAL COMPATIBILITY - Designed to work seamlessly with Flashpoint Zoom Li-on, eVOLV200, Zoom Li-on Mini, and standard speedlights from Canon, Nikon, Metz, and Sony. SECURE FLASH MOUNTING - Features a pressure clamp lock with a one-touch release, ensuring your speedlight stays firmly in place during shoots for reliable performance. LIGHTWEIGHT DESIGN - Constructed from lightweight polycarbonates, the adapters add minimal weight to your setup, enhancing portability without sacrificing durability. PRECISION ENGINEERING - The OTA-H adapter measures 7.6 x 1.5 x 2.5 inches and weighs only 5.5 oz, ensuring it integrates smoothly with your existing equipment.