... size:16mm 3.black housing and green or red,purple cover pcb mount push button switch, push switchFeatures:1) Max. rating current ... (cycles): 10,000 6) Action: alternate, moment;7) Cap colors: red (R), green (G),yellow(Y),bule(B),orange(A),white ... ),balck(B)8) Work temperature:-10~50oC pcb mount push button switch