... ±2nm, green: 505nm±2nmProduct introduce 1. Standard: accords with China standard of GB14887-20032. Appearance design: the appearance ... of collectingdust 4. Shell material: aluminum or engineering PC with the characteristics of dustproof,waterproof, anti-flaming and ageing ... : 100,000 hours (25oC) 6, Visual angle: 300° 7, Visual distance: 200m8, Level of protection: IP53 9, Work ... ≥4,000/m2515±2>30>30<7