Optimal Compatibility: Designed specifically for a range of models including ensuring a and functionality. Enhanced Performance: This professional flash tube is engineered to provide consistent, high-quality light output, enhancing your photography with reliable and powerful illumination. and Reliable: Built to last, this flash tube is made from high-quality materials that withstand frequent use and intense photography sessions, making it an ideal choice for professional photographers. for SK400/SK400/SP400/DP400/300D/400D/GS400/Q5300/05400/TC400 Due to different batches, there may be differences in product appearance and printed text, which will not affect use Colour:As Shown Material:Glass Package Contents: 1 x Flash Tube Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.