... and other natural resources than normal clear lights. LED display parameter: Pixel Configuration2R,1G,1BVirtual/Visual ... 9,500° K(adjustable)Contrast ratio4,000:1Brightness Adjustment100 grade auto-adjustmentView angle(degree)(50% brightness)Horizontal: 120° (80 ... Optioned: VGA, video, DVD,TVProtection gradeIP65 front side/IP54 backsideOperating temperature(Celsius degree)-20~+55'Storage temperature ...