RF-601 Studio Flash Trigger for NIKON with 3 Recei

YONGNUO RF-601 Wireless Remote Flash TriggerforNIKON(This SET include ONE Transmitter andThree Receivers) RF-601 is using FSK 2.4GHz wireless frequency, suitable to use this free channel in many countries; guarantee 8f the transfer speed, distance and stability. It is available to purchase the RF-601RX (RF-601 is combined with transmitter RF-601TX and receiver RF-601RX) for using multi-receivers at the same time. Flash sync speed is up to l/250s, and 100 meters. Features 1.Using global free 2.4GHz channel and FSK modulation system, There's 15 selectable frequency channels and 1 universal channel. 2.Flash sync speed is up to 1/250s. 3.Compatible with RF-602. It means you can use RF-602RX and RF-601RX in the same system which control by this transmitter. 4.Supports to control multiple studio flash and hot-shoe flash(mounted on RF-602RX) at same time. 5.Maximum operating distance is up to 100 meters. Support the TTL flashgun wake-up function only when you use RF-602RX(Receiver). (*Wake-up can only used in TTL Compatible flash) Functions Radio frequency: FSK 2.4GHz wireless remote systemOperation distance:100 metersChannel:15 difference channels and 1 universal channelTransmitter standby time:Up to 20000 times (using CR2 lithium battery)Receiver standby time:Up to 45 hours (using AAA battery)Dimensions ( H x W x D):Transmitter: 38.4mm X 48.0mm X 27.0mmReceiver: 33.0mmX105.0mmX21.0mmWeight:Transmitter: 22 g (without battery)Receiver: 25 g (without battery) Package Included: RF-601TX forNIKON (Transmitter) x1 RF-601RX (Receiver) x3 CR2 Lithium Batteryx1 AAA alkaline battery x6 6.35mmJACK to3.5mm plug x3 UserManual x1 (Original Manufactory Package)