supply by solar energy, no wiring, no electricity fees, environmental friendly.Built-in lithium battery, it can light up for 6-8 hours continuously.Turn the switch on, it will give out a light at dawn automatically, turn off the light in the daytime.With completed accessories, no additional wires needed, easy to install, it's user-friendly.Featured with ground stake, perfect to apply to the garden, villa, corridor, and floor etc.Specifications:Number of lamp holders: 10 lamp holdersLight color: 3000k (warm white)Battery voltage: 5VWaterproof level: IPX4colour: blackMaterial: plasticsize: about 6x12x12cmPackage Contents: 1*Solar panels10*lightsOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.