... Leadingtouch LeadingTouch 5020D, the newest controller supplied by Leadingtouch, is designed for 5 Wire resistive , can support full serials ... 8 mm)Supply Voltage+5 VDC, nominal (+4.75 to +5.25V DC), and Current 50mA typical, 240mA maximum ... negative polarityFlammability94V0LED IndicatorsThe 5020D controller has one LED status indicators. When 5020D controller initially connects to host, the LED will ...