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It's a self contained solar light that has an extension cord to get the panel out into the sunlight to charge the 3 on board triple A batteries. I have seen several outdoor lights available listed as security, or spot lights but they mostly have the solar panel attached to the housing of the lamp itself. Where this one lets you get the panel out into the light with its 20 ft line so you can light up the dark little nooks and crannies during the day as well as at night.
The ease of installation permits even the less electrically informed among us to take advantage of free power without the hassle of playing with car batteries and solar controller and all that jazz.
The drawback to a system this small is a short life. It is only expected to produce light from all its 10 leds for 2 hours, and there is a low switch that lets you run it at half power for 4 hours (5 leds). If you want to just go out into the shed to grab a few things than 2 hours will be more than enough but if you need to be out there for a little while than you may find it advantageous to get 2 sets that way you can produce up to 8 hours of light, in case your needs would so demand.
I think this will be a fantastic little setup if you need to get some candle power going in a dark spot without a candle or and electrician. This is probably the next best thing to a set I brought to your attention earlier in my article First Solar,Amorphous panels . And its surely an easier way to get you on the road to your first solar experience.
Though if you need a stronger light source than that, you should probably go for the amorphous panel set and get a 12v battery. Then you can pick up something like this florescent 12v light that will provide an amazing amount of light for its size and power consumption. These can be easily wired up to a standard lamp socket (like the ones in your house) then you just supply the 12v current and you are in business. Of course you can use the above mentioned amorphous panel set's 200 watt inverter to run any old household lamp as well.(albeit a bit less efficiently)
Just be sure you don't get your 12v Dc (battery power, and solar panel power) and your 120v Ac (inverter power) confused.