Triplett BBT858L DMM Compact Handheld Multimeter with Temperature is designed to measure ohms, amps, AC/DC voltage, and temperature. The Triplett BBT858L features a large 3-1/2” backlit display, 150 to 200 hours of battery life, silicone test leads, and more. The Triplett BBT858L DMM Compact Handheld Multimeter with Temperature is a very feature packed unit great for security, home theater, electrical, HVAC, you name it.