... 3.Aluminium alloy frame 4.high-thermal conductivity 5.simple and nice LED ceiling lightFeaturesluminous efficacy >80lm/W;Light source ... -20°C~40°CLifetime: ≥100,000hrsBeam angle: 90°Installation: Convenient and efficient, push-in type .Certificate:CE, RoHS & ETL approved, ... panel light, try to avoid the minefields, strong magnetic field and high-pressure region.2,Ensuring a solid connection correctly ...