Function:_x000D_
Use the transmitter and receiver to control the flashlight (use with the transmitter)_x000D_
Use only the receiver(CTR-301P) to control the flashlight (use without the transmitter)_x000D_
1/4 stand Tripod screw hole can be mounted into the tripod, billhead_x000D_
Trigger the video flash via the PC cable_x000D_
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Specification:_x000D_
Power source: transmitter(23A 12V), receiver(CR2 3.0V)_x000D_
Standby output: transmitter(3uA), receiver(0.9MA)_x000D_
Range: transmitter>30M, receiver>10M(optics control)_x000D_
Frequency channel: 4_x000D_
Operating frequency: 433MHZ_x000D_
Speed: 1/250S_x000D_
Compatible flashlight models: Canon SpeedLite 580EX II / 580EX / 540EZ / 520EZ / 430EZ / 430EX / 420EX / 420EZ / 380EX, Nikon SpeedLite SB-900 / SB-800 / SB-600 / SB-80 / SB-28 / SB-27 / SB-26 / SB-25 / SB-24 / SB-23, Vivitar 283 / 285HV, Sunpak 30DX / 422D / 433D / PZ5000AF, National PE-387S, Panasonic PE-28S_x000D_
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Package:_x000D_
1 x Transmitter_x000D_
1 x Receiver_x000D_
1 x Instruction_x000D_
1 x PC Sync Cable_x000D_
1 x CR2 Battery