High Power Chip LED Diode Bead Bulb PCB Aquarium Grow Light 20W 30W 50W 100W. 30W Size High power LEDs are light emitting diodes with a large rated working power. Ordinary LED power is generally 0.05w, working current is 20mA, while high power LED can reach 1W, 2W, even tens of watts, working current can be tens of mA.
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