DescriptionHow to use: Keep lamp plate on solar box by matching the writing and design/logo on plate and box. How to charge: Solar box is attached with solar panel which needs to be charged for 5 to 6 hours daily. There is an extra provision of charging the box through USB and it also has charging indicator at bottom for USB charging. Charging indicator shows red colour while charging and green colour when battery is full. Keep solar panel clean. Keep solar panel clean. Niranjan should be cleaned gently with soft cloth only. Please do not use water.