With protective rubber boot. For testing AC/DC voltage, current resistance, diodes, temperature. Tests 1.5 volt batteries. Easy to read backlit display. Low battery indicator, auto off. Audible continuity. DC voltage 250. AC voltage - 500 volts AC maximum. Resistance - 20 Meg Ohms. Input impedance of 10 meg Ohms. Temperature test with probe -40 to 1832° Fahrenheit. Magnetic strap included. Rated CAT 111 600 volts, cETLus and CE. Uses two AAA batteries, included.