Compact and durable, the Godox 300SDI Smart Studio Flash is a smart accessory for professional photographers. It features a high-quality LED modeling lamp that can be adjusted anywhere between 1/1 and 1/8, which is ideal for professional applications such as fashion, portrait, commercial, and wedding photography. The flash duration ranges from 1/2000th of a second to 1/800th of a second, while the recycle time ranges from 0.5 to 2 seconds. Whenever the flash tube wears out, you can conveniently replace it on your own. This flash is constructed with aluminum, which makes it sturdy and lightweight. Additionally, this flash includes a buzz function and an integrated umbrella/tilt bracket.