1.solar panel 6V/4W Mono solar panel,lifespan is more than 8 years 2.battery lithium battery 6V/4AH, Life is more than 4 years 3.LED source super bright LEDs with Red and Blue color, 20pcs in each group. visual range is more than 800m 4.controller optically controlled,and can be controlled flashing all day long or only at night 5.wokring duration it can work for more than 72 hours after being charged under sunshine for 8 hours. Total working time after being fully charged is more than 100 hours. 6.Ambient Temp/IP operating temperature: -25- +65C, IP65 in waterproof level 7.Accessories screws included 8.Weight 5KG 9.Dimension 500*110*150mm 10.Material High light transmittance polycarbonate PC