1 PcsSolar LED a diamond lightmaterial:PC + ABS +stainless steelSize: about 30 CM long around 9 CM wide (AS the picture)Switch OFF/ON photosensitive automaticallySpecification: lamp holder diameter: 8 cm * 6.5 cmbattery :NI - MH AAA batteriesLight source: amorphous silicon solar panels.Lights last six to eight hours