... and enegy-saving lighting.Long life reaching to 30000 to 50000 hours.General model used in Auto ... save energy 70% than the conventional sodium and mercury lamps.Green and Environmental Protection: no lead, no mercury ... Bulb type: 1156, 1157, 3156, 3157, 7740, 7743, T5, T8, T10, T11, T13,T20, 194, 921,Featoon etc.Service ... Spectrum of Bulbs: Certifications: Packages: Factory: Shows: How to change bulbs: