Get real-time notifications the moment a door or window opens in your home. Now with a more compac...Get real-time notifications the moment a door or window opens in your home. Now with a more compact design and a slim removable magnet for easy installation, even when space is limited. Expand your Ring Alarm system to secure each door and window in your home, and get alerts as soon as they open. Ring Alarm Contact Sensors easily mount to any door or window frame in your home for easy, DIY installation. Connect them to your Ring Alarm Base Station and receive mobile alerts from the Ring app whenever your doors or windows open. You'll always be the first to know when something's ajar.
Ring Alarm Contact Sensor 2Nd Generation - Real-Time Door/Window Alerts, Slim Magnetic Mount, Tool-Free Install, Works With Ring Alarm Base Station 840080561172
OnBuy.comRing Alarm Contact Sensor 2Nd Generation - Real-Time Door/Window Alerts, Slim Magnetic Mount, Tool-Free Install, Works With Ring Alarm Base Station 840080561172
Ring Alarm Contact Sensor 2Nd Generation - Real-Time Door/Window Alerts, Slim Magnetic Mount, Tool-Free Install, Works With Alarm Base StationFree delivery in 1–3 days£19.76Visit shop →
Ring 4Sd2sz-0Eu0 Alarm Contact Sensor (Gen 2) WhiteFree delivery in 1–3 days£32.49Visit shop →
Ring 4Sd2sz-0Eu0 Alarm Contact Sensor (Gen 2) White 840080563442Free delivery in 1–3 days£32.49Visit shop →
This guide is for Ring Alarm users who want to enhance their home security by monitoring doors and windows. The Ring Alarm Contact Sensor - 2nd Generation provides real-time alerts when doors or windows open, giving you peace of mind. Note that this sensor requires a Ring Alarm Base Station to function.
All features
Model Part Number
4SD1SZ-0EU0
Brand
Ring
Extended Product Information
FAQs
What batteries does the Ring Alarm Contact Sensor use?
The Ring Alarm Contact Sensor uses CR2032 batteries.
How do I install the Ring Alarm Contact Sensor?
The sensor is installed using adhesive strips or screws. Simply attach the sensor and the magnet to the door or window frame.
How do I connect the sensor to my Ring Alarm system?
Open the Ring app and follow the on-screen instructions to add a new device.
What happens if the sensor battery dies?
You will receive a notification in the Ring app, and the sensor will stop functioning until the battery is replaced.
Can I use the sensor without the Ring Alarm Base Station?
No, the Ring Alarm Contact Sensor requires a Ring Alarm Base Station to operate.
How do I reset the Ring Alarm Contact Sensor?
There is no reset button. Remove the device from your Ring account and re-add it.
What is the operating temperature range?
The operating temperature range is 0 - 49°C.
Can I use multiple sensors?
Yes, you can use multiple sensors to monitor all doors and windows in your home.
Troubleshooting
Sensor not detecting opening/closing.
Check the alignment of the sensor and magnet. Ensure the battery is properly installed and not depleted.
No notifications received.
Verify the sensor is connected to your Ring Alarm Base Station. Check your notification settings in the Ring app.
Sensor is offline.
Check the connection between the Base Station and the internet. Make sure the sensor is within range of the Base Station.
False alarms.
Ensure the sensor is securely mounted and the magnet is correctly positioned. Adjust sensitivity settings in the Ring app.
Pros and Cons
Pros
Easy to install with a simple, DIY process.
Provides immediate alerts for added security.
Compact and unobtrusive design.
Seamless integration with the Ring Alarm system.
Long battery life reduces the need for frequent replacements.
Cons
Requires a Ring Alarm Base Station to operate.
May require occasional battery replacement.
Limited to monitoring doors and windows only.
Potential for false alarms if not installed or maintained properly.
Dependence on a Wi-Fi connection for notifications.
Setup, Compatibility & Care
Setup
Installation: Attach the sensor and magnet to your door or window frame using the included adhesive strips or screws.
Pairing: Open the Ring app and follow the instructions to add the new contact sensor to your Ring Alarm system.
Placement: Ensure the sensor and magnet are aligned correctly to detect when the door or window opens or closes.
Compatibility
Ring Alarm Base Station: The Contact Sensor is only compatible with the Ring Alarm Base Station.
Ring App: Requires the Ring app for setup and management, compatible with iOS and Android devices.
Care
Battery Replacement: Replace the CR2032 batteries when prompted by the Ring app. The app will notify you when the battery level is low.
Cleaning: Clean the sensor with a dry or slightly damp cloth. Avoid using harsh chemicals or solvents.
Maintenance: Regularly check the alignment of the sensor and magnet to ensure proper function. Make sure the sensor is mounted securely.