<b>5pcs Mini Digital DC Voltmeter 0.28 Inch Two-Wire 2.5V-30V Mini Digital DC Voltmeter Voltage Tester Meter 5 Colours<br/><br/>Features:</b><br/>Detection voltage: DC 2.4V ~ 30V<br/>Working current: <30mA<br/>Display: 0.28 inch LED<br/>Dimensions: 22.5 × 10 × 7mm (length x width x height)<br/>Installation hole: 23 × 10 mm<br/>Measurement rate: ≥200mS / times<br/>Accuracy: 3%(+/- 1 word)<br/>Operating temperature: -10 ~ +65 ℃<br/>Working humidity: 10~80%<br/>Working pressure: 80~106kpa<br/><br/><b>Color:</b> <br/>This package include 5 colours Mini Digital DC Voltmeter :<br/>Red: 2.5V - 30V<br/>Yellow: 2.6V - 30V<br/>Green: 2.6V - 30V<br/>Blue: 3.2V - 30V<br/>White: 3.0V - 30V<br/><br/><b>Package Including</b><br/>5 * Mini Digital Voltmeter(Red, Yellow, Green, Blue, White)