The Quantum QF8C trio basic is designed for Nikon cameras, which comes with high-speed sync capabilities and other Quantum's Qflash system technologies. By slipping this Qflash trio onto the camera hot-shoe and connecting it to Turbo battery (sold separately), you can enjoy shooting photos continuously. Features Compact, shoe-mount Qflash with High Speed Sync capabilities.Unlimited rapid fire of full power flashes.User replaceable flash tube.