LEDwholesalers 2501BU Blue 225 LED 13.8 Watt Square Grow Light Panel 110 Volt Body material: Thermoplastic Circuitry board material: Diecast Chrome .Color: BLUE 225 Blue light LEDs: 465nm (nanometer) wave length Working Voltage: 110V-120V Power: 13.8/ Watts Dimensions: 12 inches (30.5cm) square