These Dusk to Dawn LED lightbulbs aren't just amazingly convenient with the technology to turn on only when you need it, they are also great lightbulbs you can rely on for a very long time. Having a lightbulb with light-sensor technology does NOT mean you will sacrifice energy consumption or lighting quality. In fact, you will find you are saving energy by using light only when you need it. In addition, all BRIGHTLIVING bulbs are incredibly durable. You can trust them not to break if dropped. Bottom line: These are great lightbulbs no matter how you use them.