Become alerted to movement within your home by utilizing a Ring Alarm Home Security System Motion Detector. When set up in your home, the Motion Detector sends a notification to your phone or tablet anytime movement is sensed within your home thanks to the MotionProximity sensor. Sends instant alerts to your phone or tablet whenever motion is detected within your home. Utilizes a MotionProximity sensor. Monitor from your iOS or Android device. Detector is also compatible with Amazon Alexa. Place the detector in any corner of your home and connect it to the base station (sold separately). Mounts to corners or flat walls. Backed by the manufacturer�s 1-year limited warranty. Requires the Ring Alarm Security Kit Save up to $100 per year on home insurance with a professionally monitored Ring Alarm. (Actual savings vary depending on insurance carrier and policy).