Panel size: 15 inch TFT-LCD Touch Screen Monitor Standard Resolution: 1024*768 Number of Colors: 16.2M Brightness: 300cd/m2 Response time: 5ms View angle: Horizontal: 160° , Vertical: 170° Contrast ratio: 500:1 Video input format: (analog) RGB Connector: VGA for video signal, USB for touch Frequency: 30~80KHz/60~75Hz Power supply: External Power Supply:220V (DC 12V) Operation Environment: Workable Temperature:-10 to 60°C, Storage temperature: -20 to 70°C Operate relative humidity: 20% to 80%; storage relative humidity:10% to 90% Touch model: 4-wire resistive touch Duration: 50000hours touch validity: >1,000,000 Net weight: 4.0 Kgs/pcs, include stable mental base Gross weight: 4.