Purchased new from the official shop in August 2023. Used a few times indoors. Flash and modeling lamp operation confirmed. Two units are available. Includes: Main unit Flash tube Battery Charger Power cable Grip Instruction manual Carrying case Outer box The main unit has no noticeable scratches or stains. With a 400W output and a 30W modeling lamp, and a body weight of 2.2kg, it's easy to use both indoors and outdoors, even in small studios. The Bowens mount allows for a wide range of accessories, which is also appealing. 【High-Output 400W Strobe】 Compact and lightweight, yet boasts powerful output, making it ideal for outdoor and wedding photography. 【3 Flash Modes】 Supports TTL, Manual, and Multi modes, with flash exposure compensation and high-speed sync. Supports multi-strobe dimming up to 100 times. 【Fast Recycle Time】 With a recycle time of 0.01-1.2 seconds, it excels at capturing continuous action. 【High-Capacity Battery】 Equipped with a 21.6V/2800mAh lithium battery, allowing for 400 full-power flashes. 【Bowens Mount Compatible】 Allows the use of various light accessories such as reflectors and softboxes. 【Built-in 2.4G Q System】 Wireless control is possible from a distance of up to 100m with the optional QPRO trigger.