... lumen,low lumen depreciation,dust protection,leakage protection.Soft light,no flicker,no dark,no shadow,no glare.LED ... voltage resistance.Comply to RoHS/CELed lamp Mechanical dimension LED light source with high quatity. Beautiful appearance,high quatity optical ... close/sealed fixture • Power off before repiacement • Don't touch the lamp when lighting • Consult with competent electricians for technical ...