The Polaroid PL126 Shoe Mount Flash is a fully automatic, system-dedicated shoe mount flash, featuring full TTL flash support for digital SLR cameras such as the Canon, Nikon, Olympus/Panasonic, Sony and Pentax cameras. It is fully automatic for today"s on-the-go photographer. The unit provides some extra features like bounce & swivel, and a manual zoom head and outputs a substantial amount of light. Bounce, Zoom, & Swivel Head Flash has vertical bounce of 90° and horizontal swivel of 270°, with zoom settings of 28mm, 35mm, 50mm, and 85mm AF Assist Autofocus assist lamp helps the camera to focus in low-light situations Accepts Light Modifiers Includes Diffuser and Reflective Panels Power Saving Auto Sleep mode means less charging time, and more shooting time. Specs:Type Shoe mountGuide No. 137" (42 m) at 85mm/ISO 100Bounce Angle 0, 45, 60, 75, 90 degreesSwivel angle: Right 0-90 Degrees; Left 0-180 DegreesVari-Power No TTL Dedication YesBounce Head YesSwivel Head Yes Zoom Head 28-35-50-85mm (manual zoom) Off Camera Terminal NoRecycle Time 0.3-8.0 secondsPower Source 4x 1.5V "AA" batteries (alkaline, lithium, NiCad & NiMH) Dimensions 5.2 x 4.0 x 3.0" (102 x 102 x 72mm) Weight 9.2 oz (260g) without batteriesIf you"re tired of the uneven and often underpowered illumination produced by your camera"s built-in flash, yet don"t see the need to overspend for the flashes offered by your camera manufacturer, welcome to Studio Series lighting solutions from Polaroid.