Siemens RDG160TU thermostat is ideal for low voltage, stand-alone applications such as hospitality, dormitory or light commercial applications Backlit display with intuitive layouts 7-day program with 8 programmable timers to switch over between Comfort and Economy modes Multi-functional inputs can be configured for keycard input, window contacts or external sensors. Select from various control strategies including Comfort, Energy Saving, or Freeze Protection. Automatic or manual heating and cooling mode changeover