Input voltage:12V-24V
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<br />Measure voltage: 6 ~ 33V
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<br />Lights color: Blue red Green
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<br />Cable length:45cm
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<br />Size: 5 x 2.5 x1.8cm(LxWxH )
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<br />Used to monitor the storage-battery voltage, with reverse connection protection function, line will not burn.