Buy from Amazon.com : http://fave.co/1Ez42TH <br /><br />AT-16 Wireless 16 Channel Radio Studio Remote Flash Trigger Receiver For Canon EOS Rebel 5D<br /><br />Product Description : <br />Max working distance 30m Working Frequency 433MHz <br />Receivers maximum sync speed 11000 per second <br />The output socket has two size are 635mm and 35mm <br />Power supply of the signal transmitter 23A 12V mini-battery in the transmitter <br />Power supply of the receiver AC AC110V- 230V 5060Hz
