If you want to take clear and artistic photos， you need to pay close attention to shooting appliance. Flash trigger plays a great role on photographing. Are you interested in getting further knowledge about this Wansen PT-04GY Universal 433MHz Wireless 4-CH Flash Trigger Set for Canon / Nikon? Adopting high technology， it is durable in use. This transceiver can provide bright shooting angle， which can make your photos much more beautiful. What is more， it is easy to install， you can operate it by yourself. It gets 16 channels to satisfy different indoor working environment requirements. Supporting wireless remote system， this item will show its powerful function!                                    Features             Make photos much more beautiful<br> With ultra-high reliability， it is suitable for the vast majority of flashes<br> Durable and portable， it can be used for a long time <br> Anti-interference， low voltage trigger， fast response， no flicker<br> Connect to 1/4" thread screw for fixing<br> Adjustable and convenient to use<br> 4-channel design controls channels without disturbing each other<br> Suitable for professional photographers   <br>                                                            Specifications             Brand     Wansen    <br> Model     PT-04GY    <br> Color     Black    <br> Material     ABS    <br> Quantity     1Set    <br> Compatible Brand     Canon， Nikon etc.    <br> Compatible Models     Universal    <br> Effective Distance     30m    <br> Wired/Wireless     Wireless    <br> TTL Mode     No    <br> Receiver     1Piece    <br> Channel     4    <br> Sync Time     1/250s    <br> Working Frequency     433MHz    <br> Working Voltage     3V    <br> Battery Model     AAA    <br> Battery Included or Not     No    <br> Remote Controller Battery     Number 2    <br> Weight     2.43oz / 69g    <br> Dimensions     (2.76 x 2.4 x 1.69)" / (7 x 6.1 x 4.3)cm (L x W x H)       <br>                                                             Package Includes            1 x Transmitter (1 x 12V / 23A Battery， Included)<br>1 x Receiver (2 x AAA， Not Included)<br>1 x Cable (30cm / 11.81")<br>1 x English User Manual<br>