WANSEN AC-04 Wireless Flash Trigger for Canon / Nikon Black (100~240V) is a special trigger device for studio flash， adopting AC 220V or 110V power supply. It is quite convenient and practical; featured with power-saving， hot shoe contacts， excellent protection and ultra-low pressure transmitter. It gets4 channels to satisfy different indoor working environment requirements. Supporting wireless remote system， this item will show its powerful function What is more， it is easy to install， you can operate it by yourself. As long as you are fond of this offer， come on without hesitation!                                    Features            Make photos much more beautifulWith ultra-high reliability， it is suitable for the vast majority of flashesDurable and portable， it can be used for a long timeIt is used as the controller of synchronous flash trigger for studio and outdoorIt is a good assistant for youIt can provide bright shooting angle4-channel design controls channels without disturbing each otherThe transmitter is designed for standard hot shoe mounting                                                            Specifications             Brand     Wansen    <br> Model     AC--04    <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     433    <br> Working Voltage     100-240V    <br> Battery Model     12V 23A    <br> Battery Included or Not     Yes    <br> Remote Controller Battery     Number 1    <br> Weight     4.59oz / 130g    <br> Dimensions     (2.76 x 1.97 x 1.1)" / (7 x 5 x 2.8)cm (L x W x H)      <br>                                                             Package Includes            1 x Receiver<br>1 x 23A 12V Battery<br>1 x Transmitter <br>1 x 6.35/3.5 Adapter <br>1 x Connection Cable (30cm)<br>