Specifications Material: ABS Color: Black Installation Method: Wall-mounted, Countertop Model: H1503 Screen: LCD Screen Sype: Capacitive Screen Viewing Angle: Horizontal: 160° Vertical: 140° Resolution: 1024×768 Screen Ratio: 4:3 Average Brightness: 300 cd/m2 Touch Type: 10-point Touch Support System: Win7 8 10, Android, Raspberry Pi, Linux Interface Type: HDMI VGA USB Color Calue: 16.2M Response Time: 5ms Contrast Ratio: 500:1 Adjustment Angle: 0-90° Frequency: 30-80KHZ/60-75Hz Voltage: 110V Rated Value: DC12V, 2.