This RF-603 Wireless Flash Trigger for Canon C3 has high quality. The wireless trigger is control discreteness for camera to trigger hot shoe flashgun synchronously. It can transmit wireless signal that is being encoded. Good choice for you!                                    Features                RF-603 using a global free FSK 2.5GHz wireless channel which can be suitable in manny country. RF-603 with FSK， can guarantee speed， distance and stability， within capacious areas， the remote control distance may rasch to 100m<br>    RF-603 wireless flash trigger consist two of similar transceivers， namely two or more transceivers can be used at the same time to control cameras or flash lights in order to meet your requirement in creation<br>    In support of flash waking up and triggering synchronically， with studio light trigger cable (optional) can be synchronized trigger studio lights. With specially camera shutter connecting cable (optional) can be used as shutter release remote control. Even installed on the flash can also be used as a shutter release remote and flash trigger sync<br>    When special transceiver for Canon or Nikon were used， the shutter synchronization speed reach to 1/320s (some camera may reach to 1/250s only or less)<br>                                                            Specifications                        Dimension     1.46 x 1.18 x 3.21 in (L x W x H)    <br>          Weight     5.22 oz    <br>          Color     Black    <br>          Type     FSK 2.4GHz    <br>          Transmission Distance     100m    <br>          Shutter Release     Half-press， full-press    <br>          Shutter Interface     Standard PC socket    <br>          Channels     16    <br>          Battery     AAA x 2    <br>          Stand-by Time     Over 45h    <br>                                                             Package Includes                1 x Transmitter<br>    1 x Receiver<br>    1 x Manual<br>    1 x Cable<br>