Strong function,high cost-effective, queue machine/ticket machine/business handling/touch query. Built-in wifi module,stable signal. Wireless send and receive signal. Wireless effective distance over 80 meters. Database based on Oracle. Signal covers 2000 squre meters. Use low consum ption and high perfor manceindustrial motherboard,standard configuration isJ1900, can upgrade to i3li5/i7, for more details , please contact service center.  All equipment totally closed inside theall-in-one PC,Touch sensing componentsperceive user operation across tempered glass without physical loss.