Solar operated with light sensor; 1pcs 1.2V/600MAH "AA" size rechargeable battery Ni-Cd;CE, FCC;The lifetime of LED lamp is over100, 000 hours, you never need to changeInstallation Available: Insert into the earth; Hang it up high. Bulb Type: LED Wattage of Solar Panel: 0.16W Solar Panel: 70*70*3 MM; 4V / 40mAH Material: Plastic Product dimension: Height (43.5cm)×Diameter (13 cm)