[Professional LED Light/Diffuser]This product has 42 super bright LEDs built in and comes with a hood that produces soft, even light, avoiding the image hot spots that are easy (and hard to avoid) when using old cheap, non-optical quality diffusers. [USB Power]A 5V-2A USB power adapter (not included) is required for power. Daily mobile phone power and chargers can power the LED light, which is very convenient to use. (Note: If the LED light is not bright enough, it may be caused by too little power supply current.) [Perfectly Flat Film]The included film holder keeps the film flat, giving your camera the best possible chance of high-resolution digitized images. [Stable Positioning]The "Film Holder" allows you to easily obtain stable relative positioning, which reduces the burden of image post-processing. [Super Fast Installation]The design facilitates quick installation of the film holder, allowing you to spend more time digitizing instead of calibrating! [Wide Range of Applications]1. Suitable for professional film photography: It is recommended to with a medium format camera and a macro-lens.2. Suitable for amateur photography: You can also use your mobile phone to . Number of LEDs: 42 Color rendering index (): 95+ Color temperature: 6500K Illumination: 10 cm / 3.9 inches, 6392 lux; 20 cm / 7.9 inches, 1473 lux; 30 cm / 11.8 inches, 988 lux Brightness: 10 levels Power consumption: 7.5 watts Interface: Micro-USB Colour:Black Material:plastic Package Contents: 1 set x Negatives Scanning LED Light Set (Different batches may result in different printed labels) 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.