... offices, hospital, schools;Public Places: subway, airports, stations, gas stations, toll stations, bookstores, parks, exhibition halls, stadiums, museums ... National Testing Center for Quality of Security & Safety Alarm System Products (Shanghai) Color Monitor, M1901P 2012/08/07 ... National Testing Center for Quality of Security & Safety Alarm System Products (Shanghai) LCD Monitor, M2210P, M401P 2012/ ...