Technical specifications and order instructions of power indicator lamp(signal lamp, indicator light, pilot lamp or indicators): Maximum striking voltages for light sources neon lamps Standard brightness types 65Vac 90Vdc, High brightness types 85Vac 135Vdc. Life for light sources neon lamps Typically 25000hrs(green lamp 20000hrs), (measured to a point when light output is a half of that of its original level)The end of life is not usually a sudden failure. Order instruction: For orders, pls indicate: Type reference, maximum temperature of use or its key, voltage, color of lens and lamps, connection means(tabs 6.3*0.8 or4.8*0.8; Cable PVC or silicone, cable length). If not existing type, we can make according to your samples and technical drawing by opening toolings. If you require special plastic parts, current, voltage, you can inform us, we can design it according to your requirements.