Dwell Angle: 1CYL: 0-180.0°; 4CYL: 0-90.0°; 6CYL: 0-60.0°; 8CYL 0-45.0° Accuracy: (1.2%+2). Display: 6000 Counts. DC Current: 20A Accuracy: ±(2%+5). AC Current: 20A Accuracy: ±(2%+5). New Automotive Ecu Test Simulator MST 9000+ Car Ecu Programming Tools.