Just press "On" the Tray, open it, put Film in to window and close the tray. This Easy Scan HD is a High Resolution Digital Compact Electronic Device that allows three different operations: Scan Dental X-Ray Film for viewing as a Digital File. Scan dental X-Ray film directly to a computer to archive, email, etc. Connect intra-oral camera or other analog video devices directly to a computer. Easy Scan HD provides on-touch scanning of standard 31x41mm (1.2”x1.6”) dental X-Ray film enabling it to be magnified and viewed on a display screen. At the same time, you can choose to save the image to a computer for archival, email or other purposes. Easy Scan HD can also be used to connect an analog intra-oral camera to a computer for direct snapshot storage. Helps communicating with Insurance Company & Patients. Easy Scan HD is an indispensable device for every Dental office and Dental Clinic. Easy Scan HD Compatible with : OS-Windows XP, W/Vista, Windows 7, Easy Scan HD Size: W95 x D145 x H100mm, USB Connection & Power "ON" Indicator ( blue Light ), manual, Scan dental X-Ray Film directly to a computer to archive, email, etc.