... (Dia.)x20mm. 4,Aluminum shell. 5,3 years warranty. Item:LED panel light seriesPower:5WInput voltage:AC100-240VSize:Φ120x20mmOpening size:Φ105mmMaterial:Aluminum ... ,Stable and durable.Long lifespan,5,We use LCD backlight technology and high efficient led chip and special thermal design to ensure high ... ,factory,office,school,hospital or other lighting places.Detail images:Led panel series: Application: