


🚪🔔 Stay one step ahead with sleek, smart security that fits your lifestyle.
The Alarm Contact Sensor (2nd Generation) is a compact, easy-to-install security sensor that instantly alerts you when doors or windows open. Powered by two CR2032 lithium coin batteries and connected via Z-Wave with a 76m range, it integrates seamlessly with Ring Alarm systems and supports Alexa notifications for battery status, ensuring reliable, smart home protection.
| Power | 2 x CR2032 Lithium Coin Cell 3V batteries |
| Operating Conditions | Indoor use, 0°C to 49°C |
| Dimensions | 4 cm x 5.3 cm x 1.4 cm |
| Siren | No |
| Installation | Mount to door or window frame |
| Connectivity | Z-Wave (76m range to Base Station open air, line of sight) |
| Warranty & Service | 1-year limited warranty and service included. If you are a consumer, the limited warranty is in addition to your consumer rights and does not jeopardise these rights in any way. Use of Ring Alarm Kit (2nd Generation) is subject to the terms found here. |
| Support | Click here to view more information on the Ring Alarm Kit (2nd Generation) support page. |