The Kodak P461 is a standalone product that can work without being connected to any computer. Scanning from wallet size photos upto 4x6-inch at 300 to 600 dpi, this photo scanner can also scan negatives and slides at 1200 dpi. This scanner is very compact and light, weighing 1.3 lbs and runs on four AAA batteries. This Kodak scanner is very fast taking only 20-25 seconds to scan a slide with good quality and high resolution which can be stored on the SD card inserted.