GODOX X1n TTL Wireless Flash Trigger set. It is in excellent condition and contains both the Transmitter and the Receiver. This is a wireless system using a 2.4 GHz frequency. It features a LCD display, a 1/8000 top synch speed, 32 Channels and a 100 meter max range and is setup for for Nikon. Control multiple flashes simultaneously.It comes with the original box, flash cords, and instructions.