B0049M2VXO Compact Bounce & Swivel Flash (i-TTL) for Nikon D3100

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Dedicated flash for Nikon D Series has vertical bounce Range of 0? – 90? and horizontal swivel Range of 10? – 60?.
Autofocus auxiliary lamp helps the camera to focus in low-light situations
Includes diffuser
Guide Number, (Formula): 32, (Guide Number = Distance ? f-number)
Power Source: 2x 1.5V “AA” batteries (alkaline, lithium, NiCad & NiMH) – NOT INCLUDED