DC3.7V-24V 4A LED Driver PWM Dimmer Module Stepless Knob Potentiometer Circuit Control Board Constant Voltage Light Bar

DC3.7V-24V 4A LED Driver PWM Dimmer Module Stepless Knob Potentiometer Circuit Control Board Constant Voltage Light Bar
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sku: 1005004924934358
$3.00
Shipping from: China
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