The Medallion Series of programmable controls from PSG Controls, Inc. (Perkasie, PA) offers dial-up programming of the four daily event modes: wake, leave, arrive, and sleep. The eight available models feature either battery-power or hard-wiring options. The Service Watch Series will display when the filter, heater, or air conditioner needs to be serviced and also displays the contractor's telephone number. Each system is monitored separately.