Totaline wall thermostat p474-1010 Programmable. Digital Thermostat. 1 Pack

The device features a programmable, 1 or 2 stage cool and heat system, auto-changeover, and a continuously lit "Thermoglow" electro-luminous display. It offers 5-minute compressor protection, dual-setpoint adjustment range from 35° to 99°F, and can be switched to Celsius. It also has a 2-color LED for status and 4 time periods for programming. Features: Autochangeover - automatically switches between heating and cooling as needed. The LED indicator glows green or red to indicate cooling or heating. Controls temperature to within 1 degree of set point. One of All 2-stage cooling, 2-stage heating for use with gas/electric, heat pump or hydronic system. All programming and set points are stored in non-volatile memory. Thermostat locking - set points can only be adjusted by authorized individuals when this feature is on. Works with 4 or 5 wires (no common necessary). This 1-day programmable thermostat has up to 4 time periods per day. It is extremely simple to operate with an extra large display and large, soft buttons. Featuring auto changeover, 2-Stage Heat/2-Stage Cool for use with gas/electrics, heat pumps, electric & hydronic heat.