The Yale Smart Living EF-DC Door & Window Contact Sensor is a brand new and sealed unit that is compatible with windows in your home. This smart home device is powered by a battery and includes both a door sensor and window sensor. It is designed to work seamlessly with Amazon Alexa, allowing you to easily monitor and control your home's security through voice commands. The wireless connectivity using Wi-Fi ensures that you can easily track and receive notifications about any changes to your doors or windows. The sleek white colour and indoor-only location make this sensor a stylish and practical addition to your home security system.
eBay