Detailed Product Description signal light,signal lamp, alarm lamp, signal indicator, pilot light,LED light,LED indicator,indicator light,electric indicator Main technique index sign Use a conditionThe work frequency bears to press:2500 Vs/60 S s(communicate valid value)Temperature:-25~+55 s; Insulate electric resistance ≥ m Ω 2The air relative humidity ≤ 98%Communicate the indicator allows the ...