... -20 °C ~40°CWorking lifespan>50,000 hoursBody &Shade Materialal-alloy lampbodyGuaranty3-year warrantyBeam Angle120°CertificatesCE & RoHSProduct Features: (1) Low power ... lighting cost (2) No radiation, no flashing, high brightness which provide healthy, environmental and high quality living conditions (3) Different size ,shape, available ...