Here is a device that lets you control your home via your smartphone or tablet without a monthly fee. It is compatible with Z-Wave light switches, thermostats, door locks, and sensors. HomeTroller-SEL is compact but saves you money when automating tasks around your home. It has an automation engine to create events and scenes. You can turn lights on/off automatically, adjust room temperature, lock or unlock doors, monitor motion, temperature, and more. Useful for those of you who rely on Z-Wave products for home automation.