3X Magnification: The built-in magnifier in the viewer uses a nano-coated glass lens with 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 put them in one by one for viewing when using, and cannot put multiple films or slides 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 go to the next slide! (When the slide is stuck, please press and hold the release button and wait for the slide to slide out completely before releasing it) | Super bright backlit light box: The large viewing area uses super bright daylight LED lighting, and the light is gentle and uniform, which can present vivid and clear image details, and the picture is more delicate and vivid, and the film image restoration is high. | Portability: The photo viewer is powered by a DC cable or AA battery. Convenient battery operation allows you to view old slides anywhere. (DC cable and 4AA batteries are provided free of charge)