A great fit for condos and apartments, this kit includes one base station, one keypad, one contact sensor, one motion detector, and one range extender. | Put whole-home security at your fingertips with Ring Alarm, a do-it-yourself alarm system with optional 24/7 professional monitoring with Ring Protect Plus for $10/month for 24/7 emergency police, fire and medical response when your Ring Alarm is triggered. | Includes a more intuitive keypad with emergency buttons and smaller contact sensors to seamlessly blend into your home. | Receive mobile notifications when your system is triggered, change your Alarm modes, and monitor all your Ring devices all through the Ring app. | Choose the Ring Alarm kit that fits your needs and add additional components and accessories at any time. | Easily setup your Ring Alarm by plugging in your base station, connecting to wifi via the Ring app, and placing your sensors in their ideal locations. | Better with Alexa: Arm and disarm Ring Alarm with your voice and get mobile alerts about the sound of broken glass or smoke alarms with Alexa Guard. Call trained agents from your Echo who can request the dispatch of emergency responders with Alexa Guard Plus, included with Ring Protect Plus.