Specifications: Solar-powered light strings, low voltage, no outlet required, and zero energy costs. Energy-efficient outdoor solar lights that significantly save energy. Light-sensing technology: LED light strings automatically turn on at dusk and off by themselves at dawn. Details: LED color: Warm white Number of LEDs: 200 Light source: LED Switch: ON/OFF, MODE Operating modes: 8 Light settings Charging time: 6-8 hours Total length: 72 feet (22 m) Spacing between lights: 3.9 inches (0.1 m) Distance from solar panel to first LED: 6.5 feet (2 m) Package contents: 2 x 200 LED Solar light strings Warm white 2 x Solar panel with ground stake 1 x User manual Helpful tips 1. How can you check if the light strings are working during the day? A. Completely cover the solar panel; the light strings will illuminate. B. If they do not light up, allow the solar panel to charge in the sun for an hour, then cover it again, and they should shine. 2. Ensure that the solar panel is NOT blocked from sunlight, as it needs to gather sufficient energy from the sun. 3. It is ONLY designed to be rain-resistant. Please DO NOT submerge IT in water. 4. The solar light strings feature a memory function. They will recall your previous setting when turned off and back on. 5. The solar panel has a built-in light sensor feature, allowing it to automatically turn off at dawn and illuminate at dusk.