Elo Touch E186635 2794L 27 Open Frame LCD LED Touchscreen Touchscreen: Touchscreen Aspect Ratio: 16:9 Brightness: 270 cd/m2 Contrast Ratio (Typical): 3000:1 Regulatory Approvals: Australia RCM; Canada cUL, IC; China CCC; Europe CE TUV; Japan VCCI; Korea KCC; Mexico CoC; Taiwan BSMI; United States UL, FCC; International CB; RoHS, China RoHS, WEEE, IMERC Power Supply: 12VDC +/- 5%