This is a [defective item] with several confirmed issues, including unusual smells and noises during firing, possibly due to internal dust, and suspected failure of the modeling lamp. This item is intended for those interested in repairing and researching professional strobes, or for those seeking valuable parts. [Condition] Signs of use and storage are visible. The exterior of the main unit has scratches, small marks, and dirt. - Some of the operation buttons have damaged casings (covers). - The flash tube and modeling lamp are consumables, and their lifespan is unknown. [Operation] Power-on, button operation, and standalone firing have been confirmed. However, the following issues have been identified: - Unusual smells, possibly due to internal dust, have been detected. - The modeling lamp may be faulty and require replacement. - Unusual noises have been detected. Due to the above reasons, we cannot guarantee normal operation, so please refrain from purchasing if you have any concerns. [Included Items] Main unit, power cable, and other items as shown in the images.