Rheem/Protech 1F78-151 - 70 Series Programmable Thermostat (GE/HP: 1H/1C) - Programming Choice of 5/2 day programming (weekday/weekend), 7 day or non-programmable 4 time and 4 temperature settings per program for heating and cooling (1F78-151) Energy savings up to 33% Display Large, easy-to-read thermostat display New - Lighted display for easier low-light viewing Comfort & Convenience Electronic temperature accuracy Adjustable room temperature calibration Performance B & O terminals Meets California Building Code, Title 24 (1F78-151) Millivolt compatible Battery-powered thermostat for maximum compatibility (2 "AAA" Energizer batteries included) Maintains room temperature differential within /- 1 degree Technical Data Brand: Emerson/White-Rodgers Programming: 5/2 Display: LCD Stages Heat/Cool (Conventional): 1H/1C Stages Heat/Cool (Heat Pump): 1H/1C Autochangeover: No Programmable Fan: No System Switches: Cool-Off-Heat Fan Switch: On-Auto Connections: Rh,Rc,G,W,Y,O,B Millivolt [mV] Heating: Yes Size W x H x D (in.): 5-1/8 x 3-3/4 x 1-1/8 Wall Plate: F61-2510