The Fluke 177 Digital Multimeter features 0.09 percent basic DC voltage accuracy. Have a Backlight to Illuminate the Screen in Dark Workspaces. 6000 counts, updates 4 x second digital and 33 segments, updates 40 x second analog bar graph display. Automatically turns off after 2 minutes to save battery life; the timeout feature can be disabled by a power-up option. Hold: freezes the display at the push of a button; auto hold: display holds present reading until it detects the new stable input, then the meter beeps and displays new reading. Minimum, maximum, and average reading memory; In auto range, the meter selects the range with the best resolution for the present measured value. The beeper sounds with a stretched pulse for opens or shorts as brief as 250 microseconds; The message “LEAd” appears briefly on the display when the rotary switch is moved to or from any A (Amps) position. Turn on all LCD segments, Disable beeper, Disable sleep mode, Enable smoothing. The instrument comes with built-in probe holders for probe storage and for convenience when making measurements. Battery replacement without voiding calibration. The integrated overmolded protection provides superior impact protection for your meter. Lifetime warranty. IEC 1010 CAT IV 600V, CAT III 1000V Safety Ratings.