With protective rubber boot. For testing AC/DC voltage and current resistance. Tests 1.5 and 9 volt batteries. Low battery indicator, auto off. DC voltage 250. AC voltage - 500 volts AC. Resistance - 2 Meg Ohms. Input impedance of 10 meg Ohms. Rated CAT111 600 volts, cETLus and CE. Uses one 9 volt battery, included.