When solar energy monitor was chosen because the price is very favorable, this was a solar energy monitor is just doing promotions, I am such a thrifty person will definitely choose to do promotions products, although I am very satisfied but let the price without the use of solar energy monitor before I they worry that if after going back is not good for what to do, now I have to say he was completely unfounded, because this is a solar energy monitor to the Internet but even better than my family before use, if not personally use I don’t believe there will be such a great product. After around if a friend wants to buy this stuff I would recommend them to buy the brand.