... &RoHS listed,used in instrument and automatic control pushbutton switch with yellow 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 ...