best price 0.28inch 3.5-30V Two Wire DC Voltmeter Blue
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- Very small and lightweight voltmeter module.
- Very handy and easy to use.
- Blue LED display.
- Don’t need the external power supply because it is a self-powered version of this display.
- Best operates in the working voltage range of 5V to 24V
- 100% Brand new and high quality.