Description Voltage: AC 100-240V Adapter: US EU Size of Monitor: 17inch Focus range: 5mm-50mm Display Frame: Full or quad images Picture Format: JPG Package Size: 435*104*442cm Features: 1. With USB, HDMI interface 2. Can save 128 pcs pictures 3. With 17inch LCD monitor 4. Can connect wireless ,U disk , and other equipment 5. 5.0 mega pixels ,1/4 sony CCD Handpiece 6. Build -in 6pc High Brightness long-life withe 7. The front three control button: Freeze,Save,Previous and Next,image Delete.And the reserve side control 8. Button: Freeze and Save