Monthly Subscription Plans – Options and Combinations XL950, XL850, XL824 – No monthly charge Up to 4 XL950, XL850, or XL824 Controls XL624 – No Monthly Charge for the following cases: Bridge + Up to 4 XL624 Controls 2. Up to 4 dimmers and/or appliance modules that do not exceed the total number of enrolled Z-Wave thermostats can be enrolled free of charge Additional devices such as door locks, cameras, sensors, etc. will trigger a monthly fee of $9.99 per month Billed to a credit card each month No Contract Can cancel at anytime Best-in-class customer service Lowest price point for the value in the industry + + + + + + + + + +