4.3 inch #HDMI touch display, resolution 480*272 and 800*480 optional, a USB interface, PWM support brightness adjustment, support HDMI input, compatible with most versions of # Raspberry PI, operating temperature up to -20 ~ 70 ° C, source factory, support customization. Core Cloud display control focus on # LCD control development for 15 years, business contact: 13590373880 (Hu Gong) Technical contact: 13612809825 (Pan Gong).