Exhaust Analyzer Portable, compact and light weight Operates on AC 230 V & DC 12 V power supply Low voltage cut-off for battery operation Fast warm-up - within 5 minutes Suitable for free acceleration test Manual Semi-Auto Auto calibration Handheld remote Menu-driven LCD with prompts for easy operation Built-in printer with Pass Fail indication and emission limit in the print-out Vehicle number, vehicle specification, test data and operator name in the print-out RS232 USB port for PC interface.