Solar panel charges the battery during the day and LED turns on automatically at dusk after switching on. LED light bulb can last up to 100,000 hours. On/Off switch under the solar panel for optional manual operation. Upgraded rechargeable 600mAh battery, can be pre-installed behind the solar panel. Latest improved solar panel, with high conversion rate and long usage time. Energy saving, average run time can up to 8 hours if it is fully . Great for brightening and embellishing your balcony, garden, pathway and child room. Battery: 1 x AA, 1.2V/600mAh ( Included ) Colour:As shown Material:Plastic + Metal Size:Length: about 65cm Package Contents: 1 x Solar Color-Changing Wind Chime Light 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.