• 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.
• Easy, tool-free installation.
• Mounts to doors and window frames.
• 2 x CR2032 Lithium Coin Cell 3V.
• Requires Ring Alarm Base Station. Compatible with 1st and 2nd generation Ring Alarm devices and accessories.
• Alexa can notify you when your Ring Alarm Contact Sensors and Motion Detectors are running low on batteries.