Features: 1. By converting solar energy into electricity, the solar panel charges the battery during the day and the built-in sensor turns on the light automatically at dusk. 2. Just turn on the switch, it"ll be charged, automatically turn on at dusk and turn off at dawn. Please make sure that the spot where you install this set can get sunlight well. 3. Please charge the battery over 6 hours exposed to direct sunshine, this will offer you a super long working time, it will illuminate more than 8 hours at night and give out bright and charming white light. 4. With built-in NI-MH battery, it can still work if it couldn"t be charged enough during the day. But in cloudy or rainy days, the battery cannot get sufficient power supply in daytime which will result that the light is not so bright. Specifications: 1. Color: White 2. Balls quantity: 20 3. Length: 4.8M/15.4ft 4. Solar panel type: 70x80mm Amorphous silicon 5. Battery: built-in 1.2V 240mAh NI-MH battery 6. The distance from the first ball to the solar panel: 1.5m 7. The distance between two lamp beads: 18cm 10.Charging time: 6-8 hours. 11.Working time: 8-12 hours 12.Function mode: Steady-on and twinkling Noted: 1. Though it"s waterproof, to maintain a long using life, please do not use it in the water. 2. Make sure the solar panel is exposed to direct sunshine. 3. Make sure the switch is turned to "ON", if not, the battery will not be charged. 4. Keep away from other light sources. If the ambient light is too strong(about 15lux), cover the surface of the solar panel, so it will go on. Package Includes: 1 x 4.8M 20 White LED Solar Decorative Chuzzle Ball Fairy Light with solar panel unit