17"/19" KTV touch screen available;The ideal for KTV/ home karaoke. touch screen, touch panel,touchscreens,touch screen Surface wave technology Pure glass touch screens with superior image clarity, high resolution, good light transparence. Durable ,scratch-resistant glass surface continues to work if scratched. Input equipment: Choose the most advanced surface acoustic wave screen with the resolution of 4096*4096 and single-point touch for 50 million times, The response is more rapid and the life is the longest. The touch activation forceis less than 3 ounces. The same surface hardness as glass, and Mohshardness test is 7-grade. Finger, gloved hand and soft stylus activation Power source and power: 100-240VAC, 50-60hz, 60w Running environment: WINDOWS95/98/2000/NT/XP/LINUX Working environment: temperature +0-+40, relative humidity 10%-90% (relative, non-compression) Storage temperature: -10-50 Net weight: 7kg Total weight: 8.5kg