Nearly all DSLR cameras with a standard hotshoe can use the Godox Thinklite camera flash TT520II's wireless triggering features thanks to its built-in wireless signal. like Olympus, Pentax, Canon, Nikon, and so forth. Key Elements Clear and vibrant images are produced with a 433MHZ wireless transmission, an RT transmitter, and 16 channels to trigger flash durations of 1/300s to 1/2000s. For increased usability and versatility, there are three flash modes: M, S1, and S2. Your flashlight needs will be satisfied by the 8 variable flash output, which ranges from 1/128 to full. Several auto-self safeguards to prevent overheating and save power. included a quick charge port for an external power pack and a sync socket. Wireless activation incorporated reflection board that highlights the eyes Integrated wide-panel diffuser that produces gentle, organic lighting Details Guide number: 33 (m ISO 100) Model: TT520II