With the Virtual Keypad smart home skill you can ask Alexa to turn on lights, lock you door, adjust the thermostat, and activate favorites on your DMP connected security system. Here are some examples of commands you can ask Alexa to do...
Favorites - Alexa, turn on outside lights.
Lights - Alexa, turn on kitchen lights. - Alexa, turn off porch light. - Alexa, set living rooms lights to 50%.
Locks - Alexa, lock my front door.
Thermostats - Alexa, set my home thermostat to 68 degrees.