Accessories & Supplies:
Wireless synchronized master clock with TimeSync Software
Pyramid wireless mini-master clock
Up to 2,500' radius range!
Note: If you intend to run bells with this, stop now and look at the bundle packages. In order to run the Pyramid 5110 4 circuit or Pyramid 5300 signal circuit bell controller, you will need the Sync software, which is $695.00 additional. It is included with the Wireless Clocks In A Box Bundles.
http://www.employeetimeclocks.com/prdct422-pyramid-wireless-clocks-in-a-box-bundle-analog.aspx
http://www.employeetimeclocks.com/prdct423-pyramid-digital-clocks-in-a-box-bundle-digital.aspx