20w street light with CE 1,high efficiency conversion driver 2,energy saving 3,Long service life 4.beautiful design 20w led street light spec:Light source: 20W LED1)Solar panel:80Wp 2)Battery: 12V100Ah maintenance-free lead acid battery 3) controller:solar special intelligent controller 4)Working time:6-8h/day, for 3-5overcast days; 5)working temperature:-40°C~+65°C; 6)Ingress protection:IP65