solar traffic light(xhd-08)

(1)solar battery panel:power-20w;lifespan-15years
(2)accumulator battery:12v/20ah,lifespan 2years 
(3)16 LED color:red,yellow / 100000 hours     
(4)visible distance:more than 1000m        
(5)flash frequency:more than 24+-2 times/min   
(6)working hours in rainy or cloudy days:240 hours