... system, wired internet access.Note: the above components can be ordered seperately, such as you could order touch panel only, ... )working enviroment: 0~45 degree, 30%~90% relative humidityThe following additional devices are available:1. Wifi, 3G modem, GPRS, Bluetooth2. ... the payment of the depositPayment terms: telegraphic transfer (T/T)Additional parts: on request by customer"s requirement.Notes: We ...