TPI 194 TRMS DMM has incorporated Data logging, 50,000 ct. LCD screen, 0.05 % DCV simple precision, TRMS, Inductance, Frequency, Capacitance, Max resolutions of: 0 to 750 ACV, 100uV, 0 to 1,000 DCV, 0.001mV, 0 to 50M ohm, 0.01 ohm, stability beeper, Alternating Current/ Direct Current amps up to10 amps resolution 0.01 uA, Analog bargraph, Min/Max, Data hold, auto-off, fuse/battery have different access points, cULus 61010-1, CATIII-1000VC, CATIII-1000V, CAT IV-600V, CAT III 1000V safety-rated, Ltd. Lifetime Warranty.