Mcoplus TR-950 Flash Speedlite for Canon Nikon Panasonic Olympus Fujifilm Pentax and Other DSLR Digital SLR Film Cameras, with Standard Hot Shoe Mcoplus Professional Speedlite Flash (TR950) is a powerful manual flash with a high guide No. 50(m) / 125(ft). Includes a flash stand with tripod mount, drawstring pouch . Features a built-in flip down wide angle flash diffuser and reflection panel This flash has a guide number of 36 (ISO 100), a color temperature of 5500k, and 4 AA batteries (Alkaline or Ni-MH are usable) power the unit. (battery not inclued) Work for: Standard hot shoe DSLR cameras Canon Nikon Pentax Olympus; Not fit Sony/Minolta Additional function:PC synchronous, sniff mode, over temperature protection