... 1, wireless queuing management system 2, touch screen customers take numbers software, 3, the Queuing background management Windows display(Can ... RS-4855, the working environment temperature: 0 ° C ~ 80 ° C6, the working environment humidity: 10% to 90% Concentration ... 15mm2, the working environment temperature: -10 ° C ~ 80 ° C3, the work environment relative humidity: <90%4, communication ...