Digital Mini DC Voltage Monitor Panel Meter Red LED3-Digit DisplayPut a voltage meter anywhere with this very handy display.These are often used by RC hobbyists for keeping track of battery voltageMeasure DC voltages from 2.5 to 30 Volt DC quickly and accurately with this panel meter.Simply connect the red and black wires topower the meter and measure voltage at the same time.Three 7-segment red LEDs indicate the voltage monitored.Red and Black Input Leads 7″ LongLED Display Color: RedDimension: Approx. 0.89″ (L) x 0.39″ (H) x 0.35″ (D)Mounting tabs make this module easy to attach to any box or plate.Length with mounting tabs: 1.18″ (Mounting Holes Center to Center: 1.12″)MFGDY3631K