The optional transmitter not only allows you to trigger your flash at distances up to 393' but gives you control of power, on/off, modeling light functions and Speed Sync activation. Free software for Mac and PC computers is available with the transmitter, adding additional features such as Flash-Delay for strobing effects.Add an optional USB Wi-Fi module for computer control. You can even use specially designed apps that allow full remote control via your for iPhone, iPad or iPod Touch. The auto-sensing, multi-voltage BRX 500 recognizes any AC power source from 90-260VAC, allowing you to use it anywhere in the world. Built-in EL-Skyport receiver for triggering. 8 Frequency channels with 4 groups. EL-Skyport Speed Sync mode for synchronization up to a 1/320 sec. Pre-flash detector system to enable the use of BRX with speedlights.
The modeling lamp comes on to confirm the flash has been triggered. Proportional, maximum, minimum and independent adjustment of the modeling lamp. Variable f-stop steps: 1/1, 5/10, 4/10, 3/10, 2/10 or 1/10 steps are available.Action flashtube for sharper images. Multi-voltage auto-detection: 90-260VAC (excluding modeling lamp). 5V sync socket for maximum protection of digital cameras. High impact resistant body shell. Accessory bayonet allowing the complete range of light modifiers. Rubberized handgrip with built-in fuse storage. This item is in the category "Cameras & Photo\Flashes & Flash Accessories\Flashes". The seller is "willcrockett" and is located in this country: US. This item can be shipped worldwide.