Pro1 IAQ model WW160W wireless wire. Connect up to 2 heat 2 cool conventional or up to 3 heat 2 cool heat pump wirelessly. Used with T955W or T955WH wireless thermostats. Items are new and unused in original box. Please call 952-884-8266 Mon thru Friday 7:00 to 5:00 or 612 518-6683 after 5:00 and on weekends. We ship nationwide. Minnesota residents will be charged sales tax.