The product is specialized in doing electronic vehicle, new energy vehicle and other Special vehical,These produts all kinds of performance is stable and reliable,which compare favorably with part of important products. TEMB has been developing electronic products since 1990s, our company has independently developed digital electronic horn, digital annunciator and other products. And the annunciator has been supplied to more than 10 domestic OEM customers such as BYD, SDLG, XCMG, LONKING, LOVOL, SEM, etc.  1) Multi voltage:12-80Vdc 2) Available in 87,97,102,107 dB sound levels 3) Fully weatherproof / pressure washable 4) Reverse polarity protected 5) Available wire lead or stud connections 6) Epoxy encapsulated housing 7) -30°C to 77°C extreme temperature reliability