First, these are pretty cool and are alternative to the more traditional string lights, even the LED ones. The only thing is that with one set you don't get very many to cover much of anything whether it's a tree or in line on a house. And each set is paired to a dedicated solar-charged battery, so if you're using multiples units, you'll need to figure on how to setup up each light strand with its corresponding solar charger, all together. They do provide a long length (>10ft) of cable between the charger and light string.I originally purchased 3 blue and 3 white sets to use on the front of my house, then ordered an additional 2 sets each afterwards. After figuring out how to "test" these before putting them up, I got 4 strings each of the blue and white. installed along the eave on my house. Note; the solar battery has a pushbutton switch on the back that you have to press (to where you hear a distinct "click"). You have to ensure that the units are turned on in order to start the solar charging which will allow the lights to turn on when its dark. When mounting, I was able to put the 4 solar batteries together on front eave of house facing south towards the winter sun and routed the wires accordingly to associated 4 light strings.So after a day of sun here in Arizona (where its pretty much always sunny), these turned on and most sets ran at least 6 hrs at nite(See update below). They are wonderful to watch!UPDATE 1/5/18 - After having these in use for a month, found two of the blue sets had issues; one set the last 6 lights in string quit working and the other set only lasted for max two hours at nite then die out. The other strings lasted more than 6 hrs.Did get a lot of compliments though and questions where I bought them at
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