1,reflect light material: use super reflective film2,solar power supply ,lithium battery accumulator

3,full of electric continuous working time:>10 days4,Lithium electric battery life :> 20months (change)5,Specifications :A-1500×1000×52

6,Luminous recognition distance:>150m7,working temperature:-25~65°C8,life:>8 years

led road traffic sign