Power 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 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 holders Light color: 3000k (warm white) Battery voltage: 5V Waterproof level: IPX4 colour: black Material: plastic size: about 6x12x12cm Package Contents: 1*Solar panels 10*lights Only 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.