How much does this cost to the nearest dollar?

Godox Quicker Studio High Speed Sync Flash Strobe Light, Built in 2.4G Wirless System, Quick Recycling, Bowens Mount for Studio Portrait Photography
🔥 Capture the moment Flash III series flash duration can reach helping creators capture the decisive beautiful moment, with the image levels, details, sharpness and texture all rendered in place. 🔥 Fast Power Back The QT III series has a fast power back time of seconds and can take up to 20 pictures per second, which means there are plenty of pictures to choose from and more opportunities to pick out your ideal picture. 🔥 Powerful Modeling Light Generation uses a more powerful and energy-saving 40W LED modeling light that can be adjusted between 0-100% and has a longer life span. It is convenient for

Price is $639.00
Price: $639