Buy on Amazon.com : http://www.amazon.com/gp/product/B00J5YMNB6?tag=catfoodrevi0a-20 <br /> <br />BELPAIR PT-16NE 16 Channels Wireless Remote Speedlite Flash Trigger with 2 Receivers Universal <br /> <br />Power of transmitter 23A 12V mini batteryincluded about one year lifetime Power of the receiverAC 2 15V AAA Alkaline Batterynot included <br />Outdoor working distance max 30m 90feet open area no fraise Indoor operating distance max 25m 75feet <br />Channel 16 channels Frequency 433Mhz Synchronous speed Max 1250sec Umbrella socket approx 08cm 024in <br />Universal hot shoe interface compatible with Canon Nikon Sigma Olympus Pentax etc <br />Package includes 1 16-channel Transmitter23A 12V battery included 12 16-channel ReceiverAAA batteries NOT included 1 PC Sync Cord25mm to PC 1 User Manual
