Illuminate pathways, entrances, gardens and outbuildings with a range of robust and energy efficient exterior lighting. Use passive infrared lamps that are triggered by movement to deter intruders, or dusk to dawn lamps that will remain on throughout the night for added protection. Dusk To Dawn Wall Lights Dusk To Dawn Lights , as the name suggests, are a form of lighting that come on when the sunset is detected and then continue to remain illuminated until the sunrise is sensed. At Dusk when the light level reduces, it switches the light on, and at Dawn when the light level increases again it switches the light off.
Hence there is no need for a timer, and it means that no energy is wasted by lights being on in daylight. The main component of a dusk -to- dawn security light is a photocell. This device is a transducer which detects and measures the levels of available light in an area. The photocells on dusk -to- dawn security lights are set to recognize that when a certain amount of light (or a certain lack of light ) is sensed in an area, the light will be switched on. In this way, when the sun goes down the.
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