Buck-boost module, constant voltage and constant current, LCD digital display, voltmeter, ammeter, adjustable buck-boost
![Buck-boost module, constant voltage and constant current, LCD digital display, voltmeter, ammeter, adjustable buck-boost](http://ae04.alicdn.com/kf/H483f7959aaab4f5394a5fd477816a2a0o.jpg)
sku: 1005001419249596
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$4.77
Shipping from: China
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