Neewer 16 Channel Wireless Remote FM Flash Speedlite Radio Trigger with 2.5mm PC Receiver for Canon 580EX II 580EX 550EX 540EZ 520EZ 430EX, Nikon SB900 SB800 SB600 SB28, Neewer TT860, TT850, TT560, YN560 III, YN560 II, YN560 I, Olympus, Pentax,Sigma, Sunpak, Vivitar 285HV and Other Flash Units with Universal Hot Shoe (1 Trigger&1 Receiver Set) The remote trigger for studio flashes and outdoor flash is used as the controller of synchronous trigger studio flash of cameras. It consists of a signal sender and a receiver trigger and works by means of the frequency modulation wireless remote control. The signal transmitter adopts the advanced circuit and components, and can transmit the coded FM wireless signa. The circuit of the transmitter has the function of standby and hibernation, thus it has low power consumption; the products can work under the standby mode for more than one year with only one battery; continuously trigger for thirty thousand times. Receiver trigger adopts dry battery for power supply, which is safe, energy-saving, and convenient. The product adopts micro-computer for controlling the decoding, Which has superior anti-interference capability; sensitive reaction speed, the highest synchronous speed can reach 1/250 sec. The trigger current is only 0.01MA, which will definitely cause no damage to the flash contact of the camera. The transmitter is applicable to the traditional or digital camera with hot shoe or PC controlling interface. Note: PT-16/PT-16NE use the whole new system,So it can not work with any other flash trigger.