... features:20 channel, more accurate, more reliableindustrial high-definition color screen, clearly visible under bright lightoutside the industry, four kinds of ... , 80 in Xi'an, custom coordinate system ...l terms of floor area: real-time recording mode, flight mode, save the track ... : -30 °C - +70 °Cl or drop: 1.5 m (cement floor)Screen Featuresl Type: Industrial Grade TFT LCDl Size:2.2”l ...