RF-603 II Wireless remote control shutter synchronized trigger, Innovation of handheld flash shot and synchronization trigger function, remote control. One kit with two flashlights, flashlight also can set on the transmitter, launch receiving one of innovation, a it is launched, it is receiving, automatic switchover, (when he is fired, the other party is received, the other is launched, you will automatically switch to receive). FSK2.4 GHz wireless transceiver, distance of 100 meters, Synchronized trigger roof flashing light function, Synchronous trigger studio lights function, Remote shutter release function, increasing hot boots locking device, not easy to slide, side switch, easy to use, improve self-checking system. RF-603 II N1 suitable for N3——Nikon:D600 D90 D5000 D3100 D3200 D7000.