This product is either discontinued or we cannot get that from suppliers.
Avision Portable Document Scanner AD215W, Contact Image Sensor, Light source LED (Light Emitting Diode), Optical Resolution 600-dpi, Output Resolution 75 ~ 1200 dpi, Memory 64MB SDRAM, Interface USB 2.0 (Compatible with USB 3.0) / WiFi, Power supply Input 100-240 VAC, 50/60 Hz, Output 24V, 1.0A, Recommended Daily Cycle Up to 1,000 sheets.
Productive and Flexible The AD215 series are productive at scan rate of up to 20 ppm and 40 ipm through the built-in 20-page auto document feeder and accommodate document up 14”.