Supco 43154 Programmable Wall Thermostat with Blue Night Light, 45 to 95 Degree F, 20-30 VAC

5 Day/2 day programming, 4 periods per day for conventional heat/cool or single-stage heat pump systems. Adjustable cycle rate. Pre-programmed. Easy Front Load battery access. Mechanical low temperature protection. Filter Monitor. Up-opening door. Two-stage low battery warning with fail safe protection. Most Compatible With Single-stage heat pumps. Terminations: G, RC, RH, Y/O, WB, Y1. Latching relays for system compatibility. Soft touch keypad. Low battery indicator. Indiglo Backlight. Easy, front load battery access. 2 AA batteries included. Are compatible with: 24 VAC heat/cool, Heat only or cool only systems. gas, electric or oil systems, millivolt systems, 2 wire hydronic systems (Not for use with 110/220V systems). Have These Specifications: 20-30 VAC, 50/60 Hz, Current draws 0.1 to 1.5 amps, Temperature set range: 45 - 95 degrees Fahrenheit. Operating differential +/- 1 degrees Fahrenheit. Compressor protection: 4 min. delay on break. 3 year warranty.