AEMC 6503 Hand-cranked Megohmmeter, 5000 Megaohms Resistance, 1000V Test Voltage True Megohmmeter; includes test leads, clips, test probe (in detachable soft carrying case) and user manual, the case attaches to the carrying strap Test voltages of 250V, 500V and 1000V LED indicates constant voltage output and proper cranked speed Automatic discharge when measurement is finished Auto-ranging - dual scale operation for better sensitivity and easier readings