... 590nm±2nm, green: 505nm±2nmProduct introduce 1. Standard: accords with China standard of GB14887-20032. Appearance design: the appearance is ... collectingdust 4. Shell material: aluminum or engineering PC with the characteristics of dustproof,waterproof, anti-flaming and ... withstands 1,440V AC 13, Dustproof: according with standard of GB14887-2003 14, Shockproof: according with standard of GB14887-2003