PowerSync16 has 16 digitally coded channels available so you can even work at events with other photographers without flash or radio interference. You can trigger as many flashes or cameras as you like from one transmitter, as long as they're all on the same frequency and have a PowerSync16 AC or optional DC receiver. Flash sync speeds of up to 1/250 second are possible with PowerSync16.
The transmitter operates on one 3V CR2450 battery, and the receiver requires a connection to 120VAC. The PowerSync16 system is not designed to perform in TTL mode with flash units - camera and flash must be set to Manual Mode.