This is a COPY replacement ring flash tube lamp (flashtube) for photo studio speedlights, offered as a / replacement part with a 5500K daylight color temperature. Each pack contains 1 piece. Key benefits Restores lighting performance: replaces worn or damaged ring flash tubes to consistent, daylightbalanced illumination for studio shoots. Easy compatibility: designed as a general replacement option for ring flash units that use these wattage ranges and standard flashtube configurations. Reliable color and output: 5500K color temperature provides neutral, truetocolor lighting ideal for product, portrait, and macro photography. Key attributes Wattage options: 150W, 180W, 200W, or 250W variants (copy replacement tubes available in these wattages). Color temperature: 5500K (daylight balance) for natural color rendition. Type: Ring flash tube lamp (flashtube) used as a part for photo studio speedlights. Quantity: 1 piece per package (1 PCS). Compatibility and use Compatibility: suitable as a replacement part for ring flash units that require a 150W, 180W, 200W, or 250W flashtube with a 5500K output. Please verify your speedlight model, wattage rating, and socket compatibility before . Functionality: supports reliable, even illumination from a ring flash setup, helping to reproduce accurate colors and reduce harsh shadows in closeup and portrait work. Use cases Product photography and jewelry shots: delivers uniform ringlight coverage to highlight detail without strong shadows. Portrait and beauty photography: provides consistent daylightlike illumination for smooth skin tones and true color rendering. Macro and closeup work: enables even lighting around small subjects such as insects, textures, or intricate details. Notes This listing reflects a replacement copy ( COPY) and is intended as a /part for compatible ring flash systems. Confirm wattage and socket compatibility with your unit before . Specific dimensions and material details are not provided; verify fitment with your model's requirements.