"GravityLight is a revolutionary new approach to storing energy and creating illumination. It takes only 3 seconds to lift the weight that powers GravityLight, creating 30 minutes of light on its descent.
GravityLight can be used over and over again - whatever the weather. Free from reliance on batteries, with their limited life and storage capacity, GravityLight is long-lasting and has no ongoing running costs.
GravityLight's mission is to provide affordable, sustainable and reliable light, anytime, that enables people to break free from the economic, health and environmental hazards of kerosene lamps."
NB Depending on your word limit, you may also want to include more detail about the benefits of eliminating kerosene. Please let me know f you'd like me to send over more information on this.
For example, by providing a light with no running costs that can be used anytime, children are able to study in the evenings (without inhaling deadly kerosene fumes); families are able to run their cottage industries, such as sewing, a workshop; people are able to protect their fruit from fruit bats; GravityLight's LED light doesn't attract mosquitos (which could be carrying malaria) ...