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 ... Alarm (Using in S-MDC-0210, S-MDC-0211, S-MDC-0212, S-MDC-0213, S-MDC-0400, S-MDC-0401, S-MDC-0402) The product ... 7) Operating humidity: ≤95%RH 8) Detecting area: 20 square meter 9) Sensitivity: I or II or III level 10) Alarm ...