HEAT/COOL THERMOSTAT WITH SUBBASE, NON-PROGRAMMABLE, MANUAL SWITCHES:SYSTEM & FAN, MAXIMUM VOLTS:30 A.C.,TEMPERATURE RANGE:50F-90F(10C-32C), INCLUDES:INSTRUCTIONS,MOUNTING HARDWARE, 4 SEPARATE FACE PLATES. WEIGHT:6.6OZ, DIMS:3.5"H x 4.5"W x 4"D, RUUD# 41-25110-01