1. Support 2K And 4K TV screen And Monitor Screen Test, the output signal is: 4K-Vbyone signal And 2k-LVDS signal 2. Support Testing with USB Player, you can customize the Video and to test the screen According to your requests or aging screen 3. With /VGA interface, you can input such signals 4. Built-in test images: images of red, green, blue, field, which meet the needs of conventional screen test 5. Perfect protection circuit, when the screen wire is wrongly connected or the screen body is not connected, there will be a prompt when the screen is turned on 6. Support USB flash disk upgrade, upgrade is more convenient, screen parameters can be added by contacting customer service, and the upgrade will be sent later, and the USB flash disk can be upgraded directly 7. There is a backlight control interface and an external screen power supply interface to meet the needs of screen measurement in scenes 8. Compatible resolutions are as follows : 2K-LVDS: 1024*768;1366*768;1280*800;1280*1024;1440*900;1600*1200;1920*1080;1920*1200; 4K-Vbyone: 3840*2160-1FC (1 partition); 3840*2160-2FC (2 partitions); 3840*2160-LGD (for LG screens, with better quality when LG screens); 3840*2160-120Hz ( 4k-120Hz dual-screen cable test-dual-screen cable conversion board required); 1920*1080-JEIDA (for high-definition screen); 1920*1080-VESA (for high-definition screen-2 sets of Vbyone signals 1920*120HZ-JEIDA (for 4 groups of Vbyone signal screen) 1920*120HZ-VESA (for 4 groups of Vbyone signal screen) Plug Type: US Plug, it applies to Canada, , Mexico, Thailand, Taiwan, the , the Philippines and so on. Voltage: AC100-240V Colour:As Shown Material:plastic Package Contents: 1 LCD Screen Tester Only the above package content, other are not included. Note: Light reflection and different displays may cause the color of the item in the a little different from the real . The measurement allowed is +/- 1-3cm.