... :Φ145x20mmOpening size:Φ130mmMaterial:Aluminum shell+Diffuser Plate+SMD 3014 LED IP grade:IP30Feature1,Energy-efficient.Energy saving;high brightness ... circuit design,avoiding any problem of lighting output caused or influence by single faulty LED.4,Stable and durable.Long lifespan ... ,meeting room,factory,office,school,hospital or other lighting places.Detail images:Led panel series: Application: