- Working voltage : DC 2.8-6V(Perfect for 3V 3.3V 3.7V 4.5V 5V 6V LED Driver) - Output Current: 30-1500MA - Maximum output power: 9W - Can drive 1-16pcs 2.8-6V LEDs (maximum current does not exceed 1.5A) - Current regulation: 1 through adjustable resistance; 2 through PWM signal control - Size : 18mm x 10.3mm x 2.8mm