D+ Solar 20D+ 1D+ 2. Solar panel type: 70*10D+ 3. Battery: built-in 600D+ 4. Dragonfly lamp beads quantity: 20 5. Total Length: 4.8M/16FT,including the first dragonfly bead to the solar panel: approx 1.5D+ 6. Charging time: 6-8 hours in the sun, working time: 8-10 hours,total working time more than 10,000D+ 7. Distance between two dragonfly beads: 16.5D+ 8. Package dimension: 7*4*3.5inch, gross weight: 260D+ 1D+ 2, Before using, please remove the mask on the solar panel. Please make sure the switch is on when charging. More than 6D+ 3D+ 1D+ 1 x 22D+ 1 x 5m 20D+ 1D+ Our GRDE products have 30 Days Money Back or Free Exchange quality guarantee! And we also have 24 Hours friendly customer service!