3X Magnification: The built-in magnifier in the viewer features high light transmittance and true imaging. It can magnify the image 3 times without distortion, blur, or loss of details, and the lighting is bright and uniform without color cast. 35mm Slide Viewer: The personal slide viewer is suitable for 35mm positive film negatives and slides and 2X2-inch framed slides. (Please insert them one by one for viewing; multiple films or slides cannot be inserted at the same time.) Easy to use: Dedicated slide slots and film inputs allow you to load and view immediately; the quick eject button removes the slide so you can proceed to the next one. (When the slide is stuck, press and hold the release button and wait for the slide to fully eject before releasing.) Super bright backlit light box: The large viewing area uses super bright daylight LED lighting, providing gentle and uniform illumination that presents vivid and clear image details with high film image restoration. Portability: The photo viewer is powered by a DC cable or AA batteries. Battery operation allows you to view old slides anywhere. Note: Minor variations in text do not affect product functionality. The product does not include 4xAA batteries. Color: Black Material: Plastic Package Contents: 1 x Slide Viewer Only the above package content is included; other items are not part of this package. Note: Light reflection and differences in display screens may cause slight color variations between the image and the actual item. Measurement error allowance is +/- 1-3 cm.