Ring - Outside Door Sensor (Newest Model) – Amazon Sidewalk, no hub needed, Pro Monitoring (sold separately) - Gray

Instant protection with all-weather reliability that goes beyond your indoor walls. Ring Sensors are built to break free from traditional systems with no need for hubs or the limited reach of WiFi. On Amazon Sidewalk, these devices stay connected for reliable protection day and night.1 Add more devices anytime to expand your coverage as your home security needs grow.