VILTROX JY-680A Universal LCD Flash Speedlight for Canon Nikon Pentax Olympus DSLR Camera Features:   Made of high quality material、 durable and comfortable Suitable for indoor and outdoor use Compatible for standard hot shoe interface camera (except for Sony and for Minolta) Compact and lightweight、 convenient to carry it Power saving after certain period of idle operation approx. 4min  Specification:                          Compatible Camera         Standard hot shoe interface camera (except for Sony\/Minolta)               Guide No.         33(ISO 100 in meters\/feet)               Flash Duration         1\/1050s (under output 1\/1)               Wireless Transmission Range         Indoors: 12-15m\/39.4-49.2 inch               Outdoors: 8-10m\/26.2-32 inch               Power Supply         External power CP-E4               Internal Power         4xsize AA alkaline batteries or size AA Ni-MH and lithium batteries               Suitable         for Canon 1DX 5D3 6D 70D 450D 500D 550D 1200D               for  Nikon Df  D90 D300  D610 D750 D810 D7000 D5000               for Sony Pentax Olympus Cameras        Package Included:   1x VILTROX JY-680A Speedlite  1x Pouch  Detail Pcitures: