... 3).Insulation resistance:100min.A).Specification of Car push button switch series (Electrical Performance) 1.Environment Temperature: -25°C ... .We are the professional manufacturer of light touch switch, slide switch, micro switch,rocker switch, DC/AC test socket, AC socket , RCA ... and no lock.dip(smt) switch and detector switch, etc. Widely applied in Audio Mixer,Stage Audio,Automobile, TV, LCD TV, ...