The Godox SU-1 detachable additional flash unit is a specialized accessory designed for the Godox V1 Pro flash system. This external flash device enhances lighting options by providing additional illumination choices for professional photography applications. Specifically compatible with V1 Pro series models, this accessory integrates seamlessly with existing flash units to expand creative lighting possibilities in studio setups. Made from durable materials, the SU-1 meets the reliability standards expected from Godox professional lighting equipment. Its detachable design allows for flexible positioning and easy storage when not in use. This flash device supports various lighting techniques including fill flash, indirect lighting, and multi-light setups. The standard color finish ensures visual consistency with main flash units, while the compact form factor maintains portability. As a camera flash accessory, it serves photographers who need extended lighting control without additional main flash units. The product measures approximately 8.5 cm in length and 4.2 cm in width, weighing 85 grams, making it lightweight yet robust for professional use. Installation requires no additional tools and connects directly to compatible V1 Pro flash units via a secure attachment mechanism. This accessory is particularly valuable for portrait, product, and event photography, where controlled lighting conditions are essential. The Godox SU-1 provides a practical solution for photographers looking to enhance their existing V1 Pro flash system capabilities while maintaining device compatibility and operational efficiency.