Features and Specifications:CAT III 1000V, CAT IV 600VNCV (non-contact voltage) testDual measuring mode: 12-1000V (sensitive mode) or 48-1000V (standard mode)Double insulationBuzzer & LED light indicate phase or neutral conductorBi-color backlight LCD display (red & green) with bar graph (indicates voltage strength)Bright LED flashlightPractical holding clip (like a pen)Low battery indication & auto power-off functionGreat packaging design and manual with pictures in various languages: EN, GER, ES, FR, PT, PL, IT