Our solar festoon lights are equipped with an upgraded super-large 2*2200MAh battery capacity, It only needs 6 hours of charging, and it can last for up to 14 hours. the conversion rate of our solar panels can be up to 18%. That means it has more efficient and faster charging. The built-in light sensor automatically switches the light on at night and turns it off during the day. 4 Lighting Modes: always-on, flash slowly, flash rapidly, intermittent flashes. Press the “mode” button on the back of the solar panel to choose the mode. Both our solar panel and LED bulbs are IP65 waterproof, designed to withstand snowy, windy, rainy, and sunny, and perfect for outdoor use.