Wireless Outdoor Module Fastfood Ranking Machine (Numberer) It is a numbering system that will make the work of fast food business owners easier. As soon as you enter the desired number and press the enter button, it flashes on the display panel. In addition to the visual warning, there is also an audible warning. It consists of a single instrument panel and a control remote. It has a very simple installation, just plug the adapter into the plug. It works with a 12 V adapter, the adapter is included in the set. Can be connected with multiple indicators. The system is wireless. Printer can be added. It is suitable for outdoor use. Our products are our own production and are guaranteed against manufacturing defects for 2 years.