... weight aluminum profileThickness9.5 ~ 50 mmOpen stylePull the inside edge of each side of the spring-loaded frame away from ... sides are optionalLightSourceLight SourceUses LED edge light technology (White LEDs are located in the edge of the light box, however ... 25 wattsVoltageDC 12VSwitchOn/Off switch is optionalBenefitsDistributes light from the edge, no hot and cold spots on your graphicCE, UL, ...