Voltmeter Red 0.28 inch 4.5-30V Two Wire DC

• Detection voltage: DC2.5V ~ 30V
  
• Working current: <30mA
  
• Display: 0.28 inch LED
  
• Dimensions: 31 × 12.0 × 9mm (length x width x height)
  
• Installation hole: 23 × 10 mm
  
• Measurement rate: ≥200mS / times
  
• Accuracy: 1% (+/- 1 word) 
• The display on Voltage: 2.5 V.(but not measure accurately up to 4.5V).

Connections :

Red Wire: source +ve terminal.

Black Wire: Source -ve terminal.

This is tiny and compact digital voltmeter with red LED Display. 0.28inch 4.5-30V Two Wire DC Voltmeter Red Panel requires only a few minutes of configuration and is as simple as directly connecting wires to the source you want to measure and seeing the LED blink!!!!