Number of LED lights: 3; Color: red blue and green. Solar panel size: 5.5 x 5.5cm. Overall length: 77cm. Charges by day when there's enough sunlight and turn on/off automatically when the sun rises and sets. Easy to set up waterproof and sun block. Widely used in places such as yard store and stage espially for making romantic atmosphere during festivals. Solar penel: 2V 100mA. Battery: 1.2V AA Ni-MH 600mA. Charge 6-8 hours under the sunlight last for 5-6 hours at night. Fix the solar panel with the pole make sure it is not covered by other objects or it may not charge effectively. Water resistant.