B01MR63WRE Compact LCD Mult-Function Flash (TTL, M, Multi) for Panasonic Lumix DC-GH5

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Dedicated Shoe Mount Flash With 8 levels of output control (1/128 – 1/1) Including Standard Automatic For Panasonic / Leica Cameras
Focus beam assist for low-light shooting
Auto shutter speed setting
Guide Number of 32meters (ISO 100, 105mm)
Power Source: 2x 1.5V “AA” batteries (alkaline, lithium, NiCad & NiMH)