Material: Plastic Solar Panel:2V 50mA Feature:1.Save on power bills. 2.Extremely safe to run . 3.No messy cables leading back to the house 4. Solar panel charges the built-in battery.A day of sunlight will power this set for approximately 6 hours each night. 5.For best performance charge for two full days before first use Size: 5.4m Long,2m Lead Cable,3.4m total lights length,Diarance between lights 10cm