SET OF 2 PEGASUS/PHOENIX TRAFFIC CONTROL POWER SWITCHThis Phoenix unit is designed to be a stand alone unit that works with sensors to detect and classify vehicle traffic on interstates, highways and roadways. Heavy dutymilitary specification connectors provide easy wiring of sensors, inputs and outputs of themain unit. This unit designed with a 4 line 20 character LCD display with a 16 alpha/numeric keypad. This itemhas an internal 6 volt battery that is charged via the battery port by either AC or DC inputs for continuous uninterrupted operation.Communications with the Phoenix is provided by a RS232 connection or USB port allowing direct PC, standard data modem, cellular, and IP modems connectivity in real time. Extra high speed serial ports for vehicle output and local communications are optional.Make your grant for more highways funds count with solid information. This units are used however in great shape. Government surplus and well maintained.Are you a government administrator? We will accept checks from government entities. We will hold merchandise until the check clears. Contact us for more details.Combined shipping is available-please see our other products and purchase with confidence.Manual traffic volume counting can only reasonably used only for short periods. It requires intensive use of expensive human resources. Electromechanical traffic data collectors, which new have a high initial cost, are used extensively to collect traffic volume counts, especially for longer counting periods. Also, many other important variables can be recorded using this device. Variables include vehicle classification, speeds, gaps and headways. Do a google search of -phoenix and "traffic classifier"- and look at the various traffic studies. Supplies/parts can be purchased on-line by searching "traffic classifiers" and sales.These units need software and various parts to function properly. Wehave contacts for parts and support. On Jan-08-13 at 09:11:15 PST, seller added the following information:FREE! Sellers: Add a FREE map to your listings. FREE! g,RcmdId ViewItemDescV4,RlogId p4%60bo7%60jtb9%3Fuk%601d72f%2Bjw%60hquvg%3Eg-14923710c2e-0x107-->