Specification Circuit Design : Insulated Gate Bipolar Transistor(Igbt)Flash Index: 58 (Iso 100 , 180Mm)Flash Coverrage : Manual ,Automatie Zoom, Swinging /Tilting Flash Head (Bounce Flash)Flash Mode :Ttl,M,Feb,Master,Slave ,S1,S2,Multithe Wireless Trigger : S1/S2 Induction Flash Lightingthe Light Sensor Flash Distance: Indoor 20-30 Meters , Outdoor 10-15 Metersup And Down Whirl Angle Degree: -7~90 Degreeleft And Right Whirl Angle Degree: 0~180 Degreecolour Temperature : 5500Kflash Time : 1/200 Seconds ~ 1/20000 Seconds Flash Control : 1/128~1/1 Step Length Is 0.3Ev, Total 22 Fine-Turning Stallsperipehral Interface: Hot Shoe, Pc Mount, External Charger Mount Reycle Time: 2.9 Secondspower: 4 Pcs Aa Alkaline Cell Or Aa Nickel- Hydrogen (Ni-Mh) Battery Lighting Time: 100-1500 Times Additional Function: Pc Synchronous, Sniff Mode , Over Temperature Protectionvolume: 200*75*57Net Weight: 375Gfit For:All Canon And Nikon Dslr CamerasPackage Includes:Coopic Cf600Ex Flash-----1Pcmini Stand-----1Pcdiffuser-----1Pcflash Bag-----1Pcmanual ------1Pcs