1 HEAT/1 COOL MERCURY-FREE DELUXE MECHANICAL THERMOSTAT, SERIES:9200, FOR:ELECTRIC/GAS, FEATURES:AT-A-GLANCE TEMP DISPLAY, HEAVY DUTY ADJUSTABLE HEAT ANTICIPATOR, NO SUB-BASE REQUIRED, REPLACES:ROBERTSHAW 275-404, ELECTRICAL RATING:24 VOLTS, TEMPERATURE CONTROL RANGE:50 TO 90 DEGREE FAHRENHEIT, INCLUDES:(2)SCREWS, COLOR:WHITE, Being sold as new and unused with no warranty or guarantee.