Dusk to Dawn Night Light Bulbs E27 E14 Sensor Light Bulbs C37 Candelabra Bulb. 5W Dusk to Dawn Night Light LED Light Bulbs E14/E27 Light Sensor Bulbs Garden. Dusk to dawn bulb: The bulb turns on when the sun goes down (less than 15Lux) and turns off when the sun rises (more than 30Lux).
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