LEDs come in a variety of base sizes and bulb ... this clever LED bulb offers a circadian-rhythm mode that automatically switches the white light color temperature throughout the day based on ...
Those with 2700 K are closest to incandescent bulbs; ones with 3000 K are similar to halogen bulbs. Efficiency is the comparison of the amount of light ... 60 Watt Replacement 9.5 W LED is ...