Our solar festoon lights are equipped with an upgraded solar lithium battery panel. The super-large 1200MAh battery capacity and the built-in high-brightness chip of the bulb perfectly solve the problems of slow charging, low brightness and short battery life of traditional solar string lights. It only needs 8 hours of charging, and it can last for up to 20 hours. Choose this new technology and give yourself a warm atmosphere all night. Our solar-powered string lights come with remote control. So you have 4 level brightness choices to meet your needs(25%-50%-75%-100%) using it. And also you can set 3 different timing (Turns off automatically after working 3 hours,5 hours or 8 hours) to save more energy.8 Lighting Modes with Memory Function: Combination, in waves, Sequential, Slow-glow, Chasing/flash, slow fade, twinkle/flash, and steady on, easy to change lighting mode by the remote control or the power button on the solar panel. The built-in memory function, automatically runs the last setting every time when turned on, which is very convenient and user-friendly.