... factory experience used in instrument and automatic control signal lamp;;led signal lamp 220v Specifications:Contact Rating3A, 250V ACContact Resistance ≤50mΩInsulation Resistance ... , big rectangularCap Colorsred, green, yellow, white, blueInput Voltage of Lampneon lamp 110V, 220V LED 2V,6V,12V,24V,36VPackage:50pcs/box