Certifications: CE, UKCA ● 8 voltage levels: 12V, 24V, 50V, 120V, 230V, 400V, 690V, 1000V (AC/DC) ● Phase sequence test ● Automatic polarity test ● Continuity test ● RCD function ● Auto power off ● Frequency measurement ● Low impedance measurement ● LED+LCD display at the same time ● Buzzer alarm ● Flashlight ● Safety rating: CAT III 1000V / CAT IV 600V