By request, we can use filament lamp as lighting source of 6V,12V,24V light indicators. By Request, we can use filament lamp as lighting source of 6V,12V,24V light indicators. YANCHENG ADA ELECTRONICS CO.,LTD. ADD.:RM1211 Tiancheng Mansion, NO.199 Guangzhou Road,Nanjing,China TEL: 86-25-84692557 FAX: 86-25-84200806 Website:adalamp.en.alibaba.com www.adalamp.cn