Lascar-DPM-700-Series-3-5-Digit-LCD-Panel-Meters-with-Backlight-Lascar-DPM-700S-p-This-LCD-panel-meter-features-high-performance-and-an-elegant-ultra-low-profile-appearance-Long-life-LED-backlighting-provides-a-clear-display-in-poor-light-conditions-Low-current-consumption-results-in-a-long-battery-life-and-with-the-compact-dimensions-makes-this-meter-suitable-for-portable-equipment-The-single-rail-version-has-a-built-in-negative-rail-generator-enabling-the-meter-to-measure-a-signal-r