INST New Version Solar Powered LED String Light, Ambiance Lighting, 40ft 12m 100 LED 8 Modes, Also USB charged New version LED solar lights, could also be charged by USB cable. 6 hours automatic turn-off function. 100 LED lights, 8 modes. Sealed process, with good waterproof performance. Suitable for indoor and outdoor decoration with trees, wreaths, etc. Any quality problems about the product, please contact us first.