Kit includes: 1 Zuma SV-3 LED 35mm Film Slide & AC Adapter for SV-3 LED 35mm Film Slide Viewer. The Zuma SV-3 LED 35mm Film Slide Viewer is designed to view 2x2 mounted slides. Its' 3x glass lens allows for easy viewing of originals. Uses daylight color LEDs for bright, even illumination. Powered by 4 AA batteries (not included). This Zuma AC Wall Adapter can be used to power the SV-3 LED 35mm Film Slide Viewer instead of using 4 AA batteries.