This 10W recessed LED light is designed with 6000 Kevin color temperature and wide beam which provides great light. It is perfect for general indoor lighting in office, study, living room, kitchen, dining room, display case, under cabinet, etc. With 950 lumen brightness, it outperforms most similar 4inch recessed lights in current market. It is an ideal replacement kit for your old 75W halogen light with an estimated yearly cost of 1.20 dollars (based on 3hrs/day, 11￠/kWh, cost may vary depending on rates and use). Halogen bulbs emit a lot of heat and use a lot more energy than standard lighting. Swapping them with a more energy-efficient LED bulb will help you convert your house to a "greener" lighting system instantly. This products come with a self-retained spring clips, which makes the conversion extremely easy. No other tools or components are needed, no need of recessed can. Meeting the highs standards for LED lighting, this product will deliver incredible performance you can count on for ages. Electric consumption of 10W LED light: 10W × 3Hrs × 365=10.95Kwh; Electric consumption of 75W halogen light: 75W× 3Hrs × 365=82.125Kwh Cutting size: Diameter: 124mm/4.9inch Height: 80mm/3.1496inch Lamp size: Outer diameter: 140mm/5.51inch Inner diameter: 124mm/4.9 inch Package includes: 1 pc 10W LED recessed light