The light has two functions: blinking and always lighting. You can control the mode of the operator schema. When energy of the sun meets efficiency of LED, these self-sustained lights will do their job day and night to light up your balcony, wondows, garden and roof-top. Environment-friendly and energy saving. Provided with monocrystaline, polycrustaline silicon solar battery panel. The LED lighting source of it can work 12 hours per night averagely. It features long life, vivid and beautiful color, free of heat radiation, reliable performance, etc. It is the prior option for decoration of indoor or outdoor places such as courtyards, squares, parks, market places, hotels, ballrooms, bars and advertisement. Get creative and have fun.