The Zuma SV-3 LED 35mm Film Slide and Negative Viewer is designed to view 2x2 mounted slides and 35mm film strips and negatives. Its 3x glass lens allows for easy viewing of originals. The ejection button on the side releases the slide into the collection tray at the bottom of the viewer. The SV-3 uses super bright daylight color LEDs for amazingly bright even illumination. Powered by 4 AA batteries (not included) or an optional AC adapter. Key Features: Fits 35mm film strips and 2 x 2 slides 3x magnification LED slide viewer 6500K LED light source Genuine glass lens Eject button and collection tray Powered by 4 AA batteries (not included) Optional AC adapter (sold separately)