Specifications: Materials: LGP, PMMA diffuser, PS shape round Lamp body material: aluminum Easy to install No flickering LED chip: Epistar Input voltages: 85 to 265V AC Lamp power: 48W Luminous flux: 4,200lm Luminous efficiency range: 75 to 85lm/W CRI: >75Ra Colors: warm white and cool white Working temperatures: -20 to 40掳C Working lifetime: 50,000 hours IP rating: IP20 With CE standard and the RoHS Directive-compliant LED type: 3014 SMD Thickness: 12mm Dimensions: 240mm Usage: indoor lighting LED quantity: 170 pieces Beam angle range: 120 to 140掳