Description:Solar operated with light sensor; 2pcs 1.2V/1800MAH "AA" size rechargeable battery Ni-MH;CE, FCC; The lifetime of LED lamp is over100, 000 hours, you never need to change it. "Installation Available: Insert into the earth; Fit on the cement ground or on the wall(including fixed screws) Bulb Type: LED Wattage of Solar Panel: 1.08W Solar Panel:50*22*3 MM; 6.0V / 180mAH Material: Aluminum Alloy Product dimension: Height (168cm)xDiameter(22.5cm)