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 ... ) Indicate alarm: red LED flash 5) Sound level: ≥85dB/m (independence or wireless type) 6) Operating temperature: -10~+50 7) Operating humidity ...