Flash Index : GN54(ISO 100,105mm) Up&down whirl angle : 0-90º Left&right whirl angle : 0-360º Flash control : 8 grade high speed control (1/128-1/1) Recycle time : about 2,5-3 seconds(using AA Alkaline cell) Peripheral interface :Hot shoe,PC mount,External Charger mount Power :4xAA Alkaline cell,Ni-HM . Flash times :100-1500x Wireless distance indoor :20-30m.outdoor :10-15m Additional function :PC syncronous,sniff mode,ovr temperature protection. Color temperature : 5500ºK Flashduration :1/200-1/20000s Volume :200x75x57mm Net weight : 340g Garansi : 6 bulan