Precautions for use: Make sure the switch is turned on to charge and put the panel under the direct sunlight as long as possible. The light could last up to 6-8 hours when fully charged. Different sunshine intensity affect charging efficiency in different seasons. If solar lights does not light up after it has been used around 12 - 18 months, remove and replace the rechargeable batteries. For better charging, remove the film before use and keep the solar panel clean(We suggest 6 hours being charged in your first use). Features: Easy to Use Easy to Shape Safe to Touch Small & Portable Low Energy Consumption Energy-saving and Eco-Friendly Specifications: Light Color: Cool White LED Qty: 50 Total Length: 30ft Lead Wire Length: 6.5ft Snowflake Diameter: 1.7 inche Space between Snowflakes: 6 inch Light Modes: Steady On/Flash Power Source: Solar powered Solar panel: 2V 100mA Battery: Ni-Mh 1.2V 600 mAh Charging time: 8-10 hours basing on the strength of illumination Working time: 6-8 hours after charging in good weather condition Package Includes: 1 x Viewpick 30ft 50 LED Cool White Solar Snowflake String Lights Thanks a lot for choosing this nice decor lights! If there is any issue, please don't hesitate to contact us for support!