DC-DC Buck Boost Converter Module LCD Digital Voltmeter 5.5-30V to 0.5-30V 4A 35W Adjustable Step Up Down Voltage Regulator

High-concerned chemical：None Type：Module Brand Name：WLMLBWCJ Origin：Mainland China Condition：New

High-concerned chemical: None Type: Module Brand Name: WLMLBWCJ Origin: Mainland China