LEDniceker Solar LED Lights String, 4.8m 15.75ft 20 Bright LED Bulbs, Decor Lights for Gardens, Patio, Lawn, Yard, Porch, Garden Fence, Christmas Trees, Camper, Parties, Indoor And Outdoor Activities(Multi-colored Diamond Modeling Bulbs) Solar powered diamond modeling LED lights string, ideal decoration for gardens, patio, lawn, yard, porch, camper and all indoor and outdoor activities(15.75ft, 20 LED bulbs) The solar panel charges the battery during the day by converting solar energy and the sensor will turn on the lights automatically at night The charging can only be finished under ON mode, please switch on the lights by pressing ON button at the back of solar panel before charging the lights The lighting performance was decided by the volume of solar energy converted and stored, it may vary with the intensity of sunlight, geographic locations, weather conditions and shift of seasons There are 2 modes to choose from, the lights can stay on steadily or blinking at once by your favor