Ring Alarm Contact Sensor 6-Pack - 2nd Gen | Monitor 6 Doors or Windows | Instant Alerts | Approximately 3-Year Battery Life | Slim Design | Easy Installation | Base Station Required

We last tracked this at $59.99 (as low as 40% off list price) on June 22, 2026. Amazon deals rotate fast — this one is no longer active, but similar deals come back often.