Latest improved solar panel - high conversion rate and durable Energy-efficient - average run time is up to 8 hours after fully charged The solar panel charges the battery during the day and the light turns on automatically at dusk after switched on On/Off switch under the solar panel for optional manual operation Overall Dimension(LxWxH): 4 3/4' x 4 3/4' x 2 3/8' (12 x 12 x 6cm); Color Temperature: 6500-7000K, Cool White; Luminous Flux: 30lm; Battery: 1.2V, 1300mAh, AA Ni-MH