This RF-602 Flash Trigger Receiver for Canon 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                Shutter connect cable can be changed to fit for different camera<br>    FSK modulation used to improve the reliability and stability of the product， use the free worldwide 2.4GHz frequency<br>    Type: Using FSK 2.4GHz Wireless Remote Control System<br>    Transmission Distance: 100 meters above<br>                                                            Specifications                        Radio Frequency     2.4GHz    <br>          Modulation     FSK    <br>          Distance     Up to 100M    <br>          Channel     15 and All    <br>          Shutter Release     Half-press， fully press    <br>          The Terminal Connector of Receiver     YongNuo three-core output terminal connector    <br>          Receiver Stand-by     45 hours (using 2 AAA batteries)    <br>          Battery Type     2pcs AAA batteries (3V)    <br>                                                             Package Includes                1 x RF-602 Flash Trigger Receiver for Canon<br>    2 x AAA Batteries<br>    1 x Shutter Connecting Cable<br>    1 x Plug Adapter<br>