panic button alarm panic button;wired panic button emergency button wired emergency button alarm emergency button Main Feature:Auto resetABS plastic housing.Electrical Life: more than 20,000 timesLarge button has ”EMERGENCY” printed on faceColor: WhiteOperating voltage: 12VDC/24VDCLoad current: 0.3AContact mode: COM, N/O, N/C10.Size: 76*17*17mm