... -fi -,3G and LED backlight, 32",37",42"46" available. Super thin advertising display with built-in computer and touch screen ... minimum force required·Power supply: Keyboard serial interface, less than 1W·Operating voltage: Less than 2W(current less than 200mA)·Stability ... is standard configuration and can be customized. Available size for super thin touch lcd display: 32",37",42",46"Optional material ...