A great fit for 2-4 bedroom homes, this kit includes one base station, two keypads, eight contact sensors, two motion detectors, 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 for $10/month. Voted #1 for Customer Satisfaction with DIY Home Security Systems by JD Power, this award-winning system now 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. Arm and disarm your Ring Alarm security system with your voice and receive Smart Alerts with Alexa Guard when paired with select Alexa-enabled devices.