The NVSL219BT-V1 is a product from Nichia, a manufacturer of LED products. It is a high-power LED with a brightness of up to 100 lumens per watt. The LED features a 4Pin terminal configuration, a 125-degree beam angle and is available in a variety of CCTs (Correlated Color Temperatures) ranging from 2700K to 6200K. The LED is also RoHS compliant and has a long life rating of 50,000 hours. The product is designed for applications such as accent lighting, downlighting and general lighting.