Emerson DST1405P – A 7-day programmable thermostat for heat pumps (1H/1C with aux heat) and conventional HVAC systems. Features adaptive recovery, 4 daily periods, backlit LCD, and battery backup. Temperature range: 40°F–90°F (Heat)/50°F–99°F (Cool). Includes filter reminders, keypad lock, and smart recovery for energy savings. Power: 24V AC or 2xAA batteries.