1.competitive price 2.fast delivery time 3.high quality control ... and Rohs certified 42inch touch screen kit USB with best best price,plug and play Forstec L series is the latest developed ... 32",37",40", 42", 46", 47", 50", 52", 55", 58",60", 61", 63", 65", 84", 100", 103", 110", 150". Features:Infrared touchFinger touch ... machineAnd more 42inch touch screen kit USB with best best price,plug and play