Nikon D5100 Bounce, Zoom & Swivel Head Flash + High Powered AC Rapid Charger With 4AA 2900 Mah Batteries + Nwv Direct 5 Piece Cleaning Kit Dedicated flash for Nikon i-TTL with vertical bounce of 90 and horizontal swivel of 270, with zoom settings of 28mm, 35mm, 50mm, and 85mm. Autofocus auxiliary lamp helps the camera to focus in low-light situations Includes reflecting plate & wide angle diffuser Guide No. 138'/42 m at 85mm Power Source: 4x 1.5V "AA" batteries (alkaline, lithium, NiCad & NiMH)