d.light S1 Emergency Light is an all-purpose LED light that boasts of high-brightness level and makes use of solar lighting. The d.light S1 renders 4 hours of uninterrupted light after a full day charging. Made using highly efficient LEDs, the s1 light is designed to rotate easily in different directions. Available in a set of two, the S1 light takes a day to charge through its integrated solar panel. You can easily orient it towards the sun, with the help of its adjustable handle. This emergency light can also be charged through the AC power grid with the help of a standard 2mm Nokia mobile charger. The design of d.light S1 is light-weight and highly portable. Easy to use, it is ideal for studying as well as working. The light can be carried around with ease and can even be hanged from the ceiling or wall.