REMINDER: When using it for the first time, it is necessary to press and hold the ON button in sufficient sunlight to turn on the light for charging. Please note that when the light is turned of, it will not continue charging!Please note that solar energy can only be lit in dark environments. During the day,you can place the solar panel facing down on the table to ensure that the panel can not see light, the lights are lit, and it can be charged when placed in sunlight. After the lights are turned on, they automatically turn off during the day and turn on in the dark! CHARGING AND OPERATION: 1. Please put the solar panel 45 south and put it in direct sunlight for 6-8hours to charge the solar product. 2. Press and hold the power key , and the light mode is highlighted - medium bright - low bright - off. REMINDER: 1.Install the solar product in a place that is directly exposed to sunlight. 2. To extend the lighting time, press the ON/OFF switch twice to keep the light in low light mode. 3. Install in an outdoor location away from other light sources such as streetlights. If other light sources are too bright at night, it may cause the product to not automatically turn on at night.The duration of light depends on the sunlight level, geographical location,weather conditions, and daytime of the solar product.REPAIR TROUBLESHOOTING AND BATTERY. REPLACEMENT 1. Keep the solar panel clean.