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: CR2 3.0V_x000D_
Standby output: 0.9MA_x000D_
Range: >10M(optics control)_x000D_
Frequency channel: 4_x000D_
Operating frequency: 433MHZ_x000D_
Speed: 1/250S_x000D_
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Package:_x000D_
1 x Receiver_x000D_
1 x PC Sync Cable_x000D_
1 x CR2 Battery