Large* conformed to CNS-9118 and 9119 testing.
* Dust and waterproof conformed to TAF qualification IP66 protection level.
* Material：lamp, glass frame and ballast cover with aluminum alloy
* With surface gray coating and rot proof processing, shell thickness is ≧40μm *half cover; the burning and control room is separated.
* With 9.5mm high pressure、heat proof glass as the cover, high intensity, with effectiveness of bugs, dust and water proof.
* Output efficiency（LOR）≧86.8%
* with above 90% efficiency factor
* internal reflection cover is made of more than 99.5 percent of high-purity aluminum sheet
* Use 220V．60HZ，high-pressure Sodium bulb, ballast can be hided inside
SY-400 Highway Lighting