The PM-5135B is a red 0.56" digital display 5VDC Voltmeter 4-Digit, 2x2-wires
PM-CX0178-RD Red display Voltmeter DC 4-100V DC, 2 wires
PM-CX0178-GN Green display Voltmeter DC 4-100V DC, 2 wires
PM-CX0178-BL Blue display Voltmeter DC 4-100V DC, 2 wires
0.36” 4-Digit 3-Wire Blue LED Display 0-100V 20mA Voltmeter
0.36” 4-Digit 3-Wire Green LED Display 0-100V 20mA Voltmeter
0.36” 4-Digit 3-Wire Red LED Display 0-100V 20mA Voltmeter