1. Slides and Negative Films: This slide viewer is suitable for viewing slides and negative films. You can scan quality slides and negatives via scanning APP, save and share your memories. 2. Ultra Slim Pad: This slide scanner is designed with ultra slim and pad, and A4 size is large enough to hold multiple slides and films for viewing and scanning at the same time. 3. 3 Brightness Levels: This photo slide viewer provides provides 3 levels of brightness to adjust by gently touching the on/off switch. The LED light source can distribute light softly and evenly. 4. APP Editing: This slide viewer light box supports APP editing, which allows you to edit photos and share them on social media. Download the SlideScan application (for scanning slides) and the FilmBox application (for scanning negatives) to scan slides and negatives and convert them into digital images. 5. USB C Power: This film scanning light box can be easily connected to the power adapter, power bank or laptop computer via USB cable, user friendly and easy operation. Item Type: Slide Viewer Product Size: . 349 x 248 x 7mm/13.7 x 9.8 x 0.3in Power Supply Port: USB C Brightness Adjustment: 3 Levels APP: SlideScan (For Scanning Slides). FilmBox (For Scanning Film) (App Needs To Be Downloaded From Application Store) How to Use:take out and connect to power Colour:Black Material:ABS Package Contents: 1 x Slide Viewer 1 x USB Cable 1 x English User Manual Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.