Aokatec AK TTL TTL flash trigger instruction and real test HD

Aokatec AK TTL TTL flash trigger instruction and real test For Nikon, Canon, Pentax, Olympus & Sony DSLR cameras and Speedlights Radio Wireless TTL, 110 meter / 360 ft, no direct line of sight needed High-Speed Flash up to 1/8000 Ratio lighting control Trigger multiple flashes simultaneously Simple setup No programming required. No new system to learn. Set up as your original system. High-Speed Flash for studio flash