Key Features. Smart motion detection settings can allow you to ignore your pets & detect intruders. Mounts to room corners or flat walls. Requires Ring Alarm Base Station. Compatible with 1st & 2nd generation Ring Alarm devices & accessories. The 2nd Gen Ring Alarm Motion Detector is a discreet slimline motion detector sensor that sends instant notifications when movement is detected & adds a layer of security to your home. It's designed for easy installation no tool required & can be mounted on flat walls as well as corners. The Motion Detector connects to your Ring Alarm Base Station (sold separately) & will alert you via audio or mobile notifications so you're always aware if someone enters a room. The 2nd Gen Ring Alarm Motion Detector is pet-friendly & can be adjusted to avoid unnecessary notifications from pets under 22kg. The 2nd Gen Ring Alarm Motion Detector is powered by 2x AA batteries requires Ring Alarm Base Station & is compatible with 1st & 2nd generation Ring Alarm devices & accessories. What's in the Box. Motion detector Quick start guide..