2Pcs E27 6000K LED Dusk to Dawn Sensor Light Bulbs Built-in Photosensor Detection Auto Switch Light Indoor/Outdoor Lighting Lamp (7)W-Cool White[Product Information]- Additional Information: Dusk to dawn lights utilise a photocell sensor some times called a CDS cell or photoresistor. Generally resistance increases as the light levels drop. This feature is particularly useful for security and safety purposes where it is important to maintain specific light levels and can be activated automatically when these light levels are reached.
- Stable performance and low consumption，designed to fit standard E27 fittings
- Long service life， ensuring the normal use of more than 50，000 hours， three to four times as long as normal halogen lamps
- Green， environment friendly， no UV and IR radiation， no containing lead， mercury and other pollution elements
- Direct alternative to the ordinary energy-saving lamps，suitable for office， exhibition or home use
