The Triplett/ByteBrothers BBT858L Precision Digital Multimeter is perfect for all of your low voltage electronics and single phase AC electrical testing. It is designed for indoor/outdoor use and is easy to read with its large backlit LCD display. Power is supplied by a 9V battery with 150-200 hours of life. The BBT858L is excellent for electricians, technicians, and serviceman who require an instrument that is accurate, reliable, and always ready for use. Its rugged boot provides a firm grip for users while also protecting the instrument. Daily users will appreciate the extra care taken with the test leads, which are made from a soft silicon for a safe grip. A K-type temperature probe is also included for heating/cooling (HVAC) technicians.