LEDwholesalers 2501MX Blue/Red 225 LED 13.8 Watt Square Grow Light Panel 110 Volt Body material: Thermoplastic Circuitry board material: Diecast Chrome 60 Blue light LEDs: 465nm (nanometer) wave length 165 Red light LEDs: 650nm (nanometer) wave length 165 + 60 = Total 225 LEDs