Flash Index: 58 (IS0100, 105mm)Line design: automatic insulation two -level crystals (IGBT)Rotating angle of up and down: -7-90 degreesRotating angle left and right: 0-270 degreesUse the power supply: 4 AA-alkaline manganese (ALKALINE) battery or AA nickel-hydride (NI-MH) batteryLuminous times: 100-1500 times (using AA alkaline manganese battery)Calculation time: about 3 seconds (using AA alkali manganese battery)Product color temperature: 5600KFlash time: 1/200 seconds -10000 secondsFlash control: level 8 brightness control (1/128-1/1)), a total of 29 levels of fine -tuningFlash mode: TTL, M, MultiTriging method: SC, SN, S1, S2,Additional functions: high -speed synchronization, rear curtain synchronization, exposure compensation, exposure surround, exposure lock, light head electric zoom, etc.External interface: hot boots, PC portProduct volume: 62 * 72 * 188mm (stretching status)Product net weight: 350 gramsApplicable model: nikon