... , S-MDC-0402) Wireless Smoke Alarm (Using in S-MDC-0210, S-MDC-0211, S-MDC ... the imbalance is suitable for detect the smoke in house, shop, hotel, restaurant, office building, school, bank ... , library, computer house and storehouse etc. * Technical specification 1) Operating voltage ... and logo MDC-0306 Wireless Smoke Alarm (Using in S-MDC-0210, S-MDC-0211, S- ...