3pcs 9V 12V Battery Sound and Light Alarm Protection Module Against Over-discharge Board DIY Kit
Use: Mainly used in battery (9V or 12V) voltage monitoring, simple and practical, support sound and light alarm. Features: When the buzzer low voltage will "DiDiDi" sounds and the red LED lights up, w
| Prijs | Verzendkosten | Totaal |
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| € 8,99 | € 0,00 | € 8,99 |