2Pcs Boost Step-Up Module Led Voltmeter Dc 4.5-32V To 5-52V XL6009 Power Supp rl
7,95 €
Module Feature: Non-isolation booster. Long press: the state of low power consumption, the digital tube and the lights are out, the normal work of the module. Normal display. Function key Moderate press: Enter the fine-tuning state.
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