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Switching led Power Supply 5V 20A 100w led driver 100W 5V Power, Aluminum AC 110V 220V to 5v lighting transformer for led light. Power supply or adapter for compatible electrical equipment. Select the exact output voltage and current/power option shown on the product page; different variants may have different ratings. Check input requirements, output polarity, connector and wiring before installation. Mains connections should be handled safely.