Brand Meyin Model RF-604 Qty 1 piece(s) per pack Color Black Material Plastic Connection Wireless Compatible Camera Models Nikon D800 / D600 / D7000 / D90 Other Features A multi-functional trigger which with the wireless fast remote control and wireless flash trigger and flash grouping functions; Top supports automatic flash one set flash trigger flashing dual-lamp compatible with RF-602 Flash Trigger; Can be divided into A B C three groups and independently control the operation of each set of flash; Used for studio lights flash outdoor photo light receiver; Synchronization speed up 1/250 Packing List 1 x RF-604RX (Powered by 2 x AAA not included) 1 x 1x RF-604TX (Powered by 2 x AAA not included) 1 x Chinese / English user manual