Did you know about this hidden menu on Samsung Galaxy smartphones? You can use it to test different aspects of your phone like if you think your LCD/touchscreen is not working properly, LED indicator, vibration, cameras, etc. i tried it it works
Hybrid Solar Wind Kit MidNite / Premius Wind off-grid kits built on the MidNite E-panel power center with Primus Air 40 Wind Turbines. Pre-wired technology, safe, easy affordable energy for mid level applications.