Mini Digital Voltmeter 0.28 inch

Panel mount 3-digit voltmeter.
Measurement range 4.5Vdc - 30Vdc (2-wire), 0Vdc - 100Vdc (3-wire).
Red LED display with 0.28" digits.
Typical accuracy 1% +/-1 digit.
3-wire or 2-wire operation - can be powered from the measured source.
Red supply +ve. Black supply -ve. Yellow measured voltage.
Size: 23 x 10 x 8mm