3 Intelligent Lighting ModesWe recommend you use MODE 3 (Sensor light mode). The light is off when there is no movement, full brightness when motion is detected. It will be more energy-saving and environmentally friendly, the life of the lights can be extended by about 50%. MODE 1 (Constant light mode) : auto power on at night, auto power off during the day. MODE 2 (Dim light sensor mode): Dim light when there is no movement, full brightness when motion is detected. Solar Fence Lights The Solar panel convert solar energy into electricity through daily exposure to sunlight. Equipped with a 1200mAh large-capacity rechargeable battery, brightness is up to 800 lum, it can illuminate your house more than 8 hours working time at dark night.IP65 Weather-ResistantSolar wall lights are made of high quality and durable ABS materials, which can effectively isolate water and work normally even in harsh weather. Powered by solar, better for environment and help you save a lot of money on electricity.Easy and Quick Install Simple design, come with screws and user guider. You can finish this little solar lights' installation in a few minutes.