Our Night2Day LED light bulbs are a practical, energy-saving, and cost-effective solution for your home and office. The built-in sensors turn the lights on at dusk and off at dawn. The LED lights emit the equivalent to an 800 LED lm soft white light and consume only 8W. With a 25,000-hour lifespan, they use 80% less energy than incandescent lights and last 10 x longer. Let the functional lights greet you when you are coming late or increase security when you are away. They can also improve the visibility near your door, so you can find your keys more easily. You can use the lights at home, in the living room, a corridor, or the hallway. Illuminate your garden, patio, or driveway. Do NOT use in harsh or extreme conditions and keep away from water. Our LED light bulbs turn on at lighting < 25 LUX and off at lighting > 25 LUX. It has a wide beam angle of 270. The LED chip comes with a cooling feature for a longer lifespan. Screw the light bulbs on just like a regular light bulb. To make sure they work properly, choose a place with direct sunlight, put the bulb on and put the light switch on. The light bulbs don’t require the use of an app or hardware. As long as the switch is on, they will work automatically, so you don’t have to physically turn them on and off.