Adaptor mounts to a single or double gang electrical box.

Compatible with Smart Thermostat, Honeywell Home T-Series Thermostats: T1, T2, T3, T4, T5, T6Pro, T9, T10.

Size : 6.1 x 6.1 x 0.26 in.

If for whatever reason, you decide you are not satisfied, you can request a replacement or a full refund, no questions!
Adaptor mounts to a single or double gang electrical box.
Compatible with Smart Thermostat, Honeywell Home T-Series Thermostats: T1, T2, T3, T4, T5, T6Pro, T9, T10
Size : 6.1 x 6.1 x 0.26 in