: 60 meters (ISO 100, 200mm). Flash mode: HSS, TTL,M,MULTI, GR. Guide No. Trigger Mode: Set-top, wireless master mode,. Производитель: YONGNUO. Упаковка: Да. Размер модели: YN600EX-RT. color: black. Circuit design: Insulated Gate Bipolar Transistor (IGBT)