These dusk-to-dawn lamps work efficiently and reliably. This pack of two bulbs isn't the cheapest on the market, but it's a quality bulb that's priced in the mainstream. LED bulbs last a very, very long time, so I'd rather use a definitely reliable bulb than one I'm not sure about. (I have several amber LED bulbs that flicker from dusk to dawn.) I've found these bulbs to be cheaper and more reliable than the dusk to dusk lights. The warm white version is exactly as advertised, close to the classic glow color. The brightness seems to me to be a little lower than the claimed 80W equivalent, but not far off and bright enough for porch lighting.
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