Dawn Till Dusk Bulbs, 9W, 60W Equivalent, outside Bulbs Automatic on off Twiligh
Boxlood dawn to dusk light bulbs are equipped with photocell/ twilight sensors. Boxlood E27 Dusk Till Dawn Bulb/ Auto On Off/ Security Lighting. When the ambient light >30lux, bulb turn off. When the ambient light <15lux, bulb turn on.