6-Pack Alarm Window and Door Contact Sensor

Its original price is $99.99. The regular deal price is $30.99, but the final deal price comes down to $27.89 after applying the coupon code 'PROTECTPLAN' at the checkout page.
Ring provides complimentary standard shipping on orders under $48.99 and free expedited shipping for purchases of $49 or more. All orders placed through Ring.com also include free returns.

About the product:

This 6-pack of Ring Alarm Contact Sensors is designed for indoor use and mounts easily to doors and windows. Each sensor operates on two CR2032 batteries and connects via Z-Wave with a 250-foot range. Real-time alerts are sent through the Ring app when sensors separate. Battery life may last up to 3 years.