Solar-Powered Motion Lights For Home Security
Solar motion lights offer a great way of providing light to particular locations and improving the security of your residence. They contain a passive infra red movement sensor, joined to a rechargeable (normally LED) light.
Ideal for yards, paths, drives and garages, solar motion lights require no outside power or upkeep and ought to last for several years before they have to be replaced. Not having to cable this sort of light to a power supply makes installation particularly painless - you simply need to affix the light, along with its accompanying solar panel and motion detector, to an appropriate building or post and that's it!
Solar motion sensing lights commonly utilize a number of bright LED lights to supply their illumination. LEDs are normally used because they need very little power and will last for many thousands of hours without the need to replace them. It is usual to come across units having a cluster of up to 100 separate LEDs. 40 LEDs will supply approximately the same light as a 12 watt halogen light. Also, they are extremely safe, since no high voltages are required, and the LEDs create no appreciable heat. If you'd like stronger illumination, then you can simply purchase more solar motion light units.
The majority of solar motion lights utilize a separate solar panel to supply the power to charge the power packs contained in the device. Since it's not attached to the other components of the device, this means that you can place it in the best position to get the most sunshine - consequently it is possible to place the actual light in a dimly lit area without problems. Though the majority of devices are intended to be fitted high up on walls, etc., some are offered which employ stakes which may be driven into the ground, delivering a lower-level light.
PIRs are the typical method employed by solar motion lights to sense motion. You are able to position the PIR so that it points in the most suitable direction. A 180 degree field of view is normal, and will detect movement out to at least 30 feet.
Quality products will permit you to set both the length of illumination after the unit is switched on, and also the range at which movements is going to be detected. They will also only switch themselves on as soon as a particular level of darkness is attained, in order to avoid unnecessarily using the battery in during daytime.
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