Highest quality auto-ranging DMM designed for automotive trouble shooting. Min/Max Mode records transient voltages as fast as 1 millisecond. Milliseconds pulse width measures fuel injector on-time. Also measures temperature via temp probe in both °F and °C and a desirable 20 Amp test range. Unit has dual fuse protection, modern design and protective holster built into the housing. Instruction manual and molded storage case included.