Technical Specifications Display: 2.4 inches (320*240 DPI) TFT true color display Working temperature: 0-60°C (32-140 F°) Storage temperature: -40-70°C (-40-185 F°) External power supply: 12V or 24V powered by battery Working voltage: 9V~30V Measuring voltage: 0.1V~100V Resistance measurement range:1 ohm~200K ohm Current measuring range: 0~18A Max continuous current: 18A Color: black/red/orange/yellow/green/blue Main Features Intelligent identification of voltage/resistance Multimeter mode (measure voltage, resistance, diode) Oscilloscope function Activation of vehicle components 0-5V adjustable power supply Hertz Network online upgrade Built-in 14 languages