【4‑channel Design】Strong anti‑interference ability. A good and wise choice you should make. | 【Wide Working Range】Working frequency is 433MHz, the maximum synchronization speed is up to 1/250s, and the maximum working distance is 30 meters. It is suitable for 360‑degree professional shooting in different environments. | 【AC Power Supply】Adopts AC power supply, durable, equipped with a conversion head, freely switchable between 6.5mm and 3.5mm plugs, which expands the scope of use and is convenient for more studio flashes. | 【Strong Compatibility】The transmitter adopts a single contact design, which is widely used in for Canon, for Nikon, for Sony and other cameras. | 【Easy Using】Easy to use, without any difficult requirements even though you use it for the first time.