Continuing our top 10 ranges, today we will write about top 10 largest cities in the world by land area.
LuminAID new concept is an inflatable plastic pillow that will feature a solar panel which faces outward, while the bright LEDs that give off light will face inward. There will be two coin cell batteries located within a sealed and waterproof covering, where half a dozen hours of sunlight each day is said to result in around 5 hours of bright light which is diffused in a cheap and reliable package. Not only can it be used for everyday purposes, it is also suitable for action during emergencies. The LuminAID will cost only $25.