1、For the first time using, please charge the product under the sun for several hours before working.
2、When the light flashes, it means that the power is very low. Please immediately take it to charge, otherwise, the product will stop working soon.
3、The charging performance of solar panel depends on the duration of light and weather conditions.
The stronger and longer the sunlight is, the shorter time the charging takes. In cloudy or rainy days, battery performance will reduce, which results to shorter lighting time.
4、Solar panels will be covered with dust because of long-term use in the outdoor. In order to receive better charging performance, please clean it up when necessary.
5. Please allow 1-3cm measuring deviation due to manual measurement.