... :12mm,10mm 26years factory experience CE/CQC Certificate pushbutton switch with blue led Specifications:Contact Rating3A, 250V ACContact Resistance ≤50mΩInsulation Resistance ... Headround, mushroom, square, rectangular big square, big rectangularCap Colorsred, green, yellow, white, blueInput Voltage of Lampneon lamp 110V, 220V LED 2V ...