DMiotech Auto Ranging Digital Multimeter AC/DC Current Voltage Resistance Continuity Diode with NCV Function Multi Meter Tester LCD Backlight DM8232 <span class="a-text-bold">Data Hold</span>- Press the &#034;HOLD&#034; button for holding data in display <span class="a-text-bold">Backlit &amp; Torch</span>- Press the &#034;Glowing Sun&#034; for flashlight, long press to light up the backlit <span class="a-text-bold">NCV</span>- Press &#034;FUNC&#034; button to select NCV Mode (If AC Voltage was detected, buzzer and indicator will alert)