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Ring Alarm Contact Sensors, 4XD3S7-0EN0, Pack Of 2 Sensors Item # 3907887
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Making sure your home and business are safe is always a top priority. Add these contact sensors to your security system to receive real-time alerts when a window or door is unexpectedly opened.
- Connects easily to a door or window frame.
- Sends real-time alerts to your compatible smartphone or tablet when the door or window is opened.
- Tamper-resistant construction provides added security.
- Requires the Ring Alarm Security Kit (sold separately).
- Backed by the manufacturer's 1-year limited warranty.
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Whole-Home Security at Your FingertipsProtect your property from the inside-out, and get mobile alerts when doors or windows open and when motion is detected at home. Set up your entire system without the need for tools or professional installation, and expand your Alarm to fit any home or apartment.
Your Home in Your HandsControl the Alarm and all your Ring Doorbells and Cameras from one central location.
24/7 Professional MonitoringGet professional monitoring cellular backup and unlimited video recording for $10/month after your 30-day trial.
No Long-Term ContractsGet security on your terms and never worry about long-term contracts or expensive cancellation fees.