Wireless Synchronous Notary Ranking (Numbering) System Wired and wireless options are available, the product in the ad is wireless. The system works with RF. The system includes remote control(s), over-the-door display panel(s), thermal printer with stand, central management controller and adapters. The base price in the ad is the price for 1 thermal printer with stand, central management remote control and adapters. Additionally, in the options section, the number of controls and display panels as many as the number of counters must be selected along with their display sizes. The main routing panel consisting of 3 lines and 3 digits can be selected optionally. Officers can see on the LCD screen on the remote control when a new arrival takes their turn. When he presses the call button, the number of the person waiting in line flashes on the dashboard and an audible warning sounds. Redirection to the bank number is also made on the main routing panel, the most recent incoming call is forwarded at the top, previous calls are forwarded sequentially to the bottom. Instrument Panel Dimension: 15 x 30 cm. Three Digit Display. Our products are our own production and are guaranteed against manufacturing defects for 2 years.