Cost of the Lights. Low-end recessed lights cost between $20 and $60 each. Higher-end, low-voltage recessed lighting can cost $75 to $150 or more per light. Each light requires a housing that goes into the ceiling and a trim that covers gaps between the housing and the drywall.
Key Differences Between LED and CFL Bulbs. 1  The LED bulb stands for Light Emitting Diode, and CFL stands for Compact Fluorescent Light. 2  LED bulbs are more energy efficient than CFLs. 3  The LED bulb consumes less electricity than its counterpart CFL 75% a year in energy cost.
Therefore, sunglasses and specs are very different to each other. Sunglasses are used to protect the eyes from rays of sun or intense light, whereas spectacles are used to correct the defective vision. Another important difference between them is that- unlike lenses of spectacles, all sunglass lenses are tinted.