"2.25 INCH DIAL FOR IMPROVED RESOLUTION AND READABILITY, PEAK HOLD BUTTON, UNIVERSAL MOUNTING PLATE, ERGONOMICSHAPE AND IMPROVED ACCURACY OF +/- .5% OF FULL SCALE; DIAL ROTATES 360 DEG FOR TARING/ PEAK HOLD BUTTON CAPTURES PEAK READINGS AND CAN BE EASILY AND QUICKLY RETURNED TO ZERO; WEIGHS 4.7 LBS"