Features:_x000D_
Use the transmitter and receiver to control the flashlight _x000D_
Trigger the video flash after connect the PC sync port_x000D_
Wireless control, easy operate _x000D_
Advanced channel isolation _x000D_
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Specification:_x000D_
Wireless band: ASK is adopted and there are 4 channels to be set by the user _x000D_
Output terminal: Hot shoe of the receiver, synchronous end and hot shoe of the launcher _x000D_
Synchronous speed: 1/250 seconds_x000D_
Remote distance: 15-30 meters_x000D_
Application time of the launcher: More than 1000 times _x000D_
Standby time of the receiver: More than 100 hours_x000D_
Transmitter power: 23A 12V Lithium battery (included) _x000D_
Receiver power: 3V CR2 Lithium battery (included)
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How to use:_x000D_
If your camera has not hot shoe for fixing the transmitter, you may connect the transmitter to the camera by the PC Sync Cord provided_x000D_
Use the receiver on old studio lights with 2.5mm (diameter) hole_x000D_
Connect the transmitter to the receiver directly
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Suitable for:_x000D_
All cameras with standard hot shoe or flash models with a trigger voltage of 12V or lower_x000D_
All flashlights_x000D_
All studio strobes with 6.35mm plug
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Package:_x000D_
1 x YN-04 Transmitter_x000D_
1 x YN-04 Receiver_x000D_
1 x PC Sync Cord_x000D_
1 x 23A 12V Lithium Battery_x000D_
1 x 3V CR2 Lithium Battery_x000D_