Whole-Home Security at Your FingertipsProtect your property from the inside-out, and get mobile alerts when doors or windows open and when motion is detected at home. Set up your entire system without the need for tools or professional installation, and expand your Alarm to fit any home or apartment.Works with AlexaConnect Ring Alarm to Alexa for hands-free voice control. Arm, disarm, and check the status of your security system through any Alexa-enabled device. Also works with Alexa Guard – get smart alerts sent to your phone if Alexa detects the sound of smoke alarms, carbon monoxide alarms, or glass breaking when you’re away. And with Ring Protect Plus, get quick access to the Ring app when you receive a Smart Alert to directly request dispatch of emergency responders.Base Station - Keeps your Alarm system online and connected to your mobile devicesKeypad - Arms and disarms your system from inside the homeContact Sensor - Alerts you when doors or windows openMotion Detector - Alerts you when motion is detectedRange Extender - Extends the signal from your Base Station to all Alarm components Ring Alarm Home Security System - 5 Piece Kit - Works with Alexa