WiFi Thermostats for Home Smart Thermostat Single-Stage 1Heat/ 1Cool, APP Remote Control, 7-Day or 0-Day Programmable. (C-Wire Required)

COMPATIBILITY: Works with Conventional Single-Stage 1 Heat/1 Cool systems (Gas, Oil, or Electric) and Air Conditioning, C-Wire Required. Does not work with Multi-stage Systems and Heat Pumps systems, Incorrect system match will lead to abnormal working
Compatible Wiring Terminals: RH, RC, W, Y, G, C. The C common wire is a must for normal use. Does not support W2, Y2, O/B, E, L, AUX, ACC+, ACC-, S, X, X2. Requires 24V C-wire power supply and cannot run on batteries
Incompatible Systems: Does not work with 2H/1C, 2H/2C, 3H/2C, 4H/2C multi-stage systems and heat pumps systems, heat-only systems, cool-only systems, 120-240V line voltage systems, PTAC units, line voltage heaters, mini splits, or RV air conditioners