In late July 2011, Comlite Systems released the LAN4000 light signaling communication software. The software easily installs on existing Windows networks and requires no additional wiring. It allows customization of system layouts, button colors and labeling, and has multiple chime options. Screen display sizing options and minimization help keep communications confidential. Staying in touch: using technology to strengthen relationships with patientsA free 30-day trial download is available from www.comliteinfo.com, or call (800) 426-5271. To comment on this product, go to community.pennwelldentalgroup.com/.