SOLAR POWERED - CONCENIENT ,ENVIRONMENTAL and SAFETY---These LED lights decorate your garden with energy from the solar and do not require additional cost. about the BULBS----HIGH BRIGHTNESS---the bulbs is colorless Transparent PS Thermoplastics.Carrying technology from Germany,The main Features is WATERPROOF--HIGH TEMPERATURE.so can work long time Recycling, It's those times when you're decor family, that it's most important to stay Satisfy. LONG WOKE TIME----800mAh RECHARGERABLE BATTERY can work continuously for 8 hours once fully charged. Just replace the RECHARGEABLE BATTERY when there is not enough sunshine, then it will work. PRODUCT DIMENSIONS---5-feet lead and 20-feet wire with 30 bubble globes.you can surround anywhere.Let your house be fantasy at night.For your life increase more romantic ,Warm and happy. EASY TO USE - The solar panel is easily installed. These lights are turned on automatically in darkness and turned off automatically in brightness. Power and mode double buttons are on the back of panel box for controlling. Only the ""ON / OFF"" is adjusted to ""ON"" state, string lights can be charged.