Wireless Smoke Alarm (Using in S-MDC-0210, S-MDC-0211, S-MDC-0212, S-MDC-0213, S-MDC-0400, S-MDC-0401, S-MDC-0402) Wireless Smoke ... ), RF signal 315MHz or 433RHz(wireless type), relay output NO/NC (network type) 11) Size: 107*35mm 12) Execute criterion: GB4715 ... for cathode, white for COM orange for NO, yellow for NC 3) Connect the power; the detector comes into operating state ...