Calumet Four-Channel Radio Flash Trigger Kit with LED Readout

Here is a wireless triggering system that will synchronize your camera and flash, eliminate cords for less restrictive movement and isolate you flash equipment from being fired by other cameras.

This four channel radio frequency flash trigger kit contains one transmitter and one receiver. It is capable of operating at a range of up to 360' (110M) in a non-obstructed area.

The transmitter is equipped with a hot shoe for on camera mounting and is powered by a 23A, 12 volt battery which is included. The receiver comes with a 3.5mm jack. A 6.5mm (1/4") phono jack adapter is included to adapt  it to other model flashes. The receiver also comes with a PC flash socket, hook-and-loop mount and a built-in strap to mount to flash. It requires two AAA batteries (not included).