WiFi Smart Door Sensor: Door Open Contact Sensor for Home Security, Wireless Window Sensor, Secure Your Home with Instant Alerts & Smart Automation, Alexa & Google Assistant Compatible (1-Pack)

• App Notification Alerts & Real-Time Monitoring: The smart door window sensor is compatible with eWeLink App. Receive immediate notifications on your phone via eWeLink App if doors/windows are opened unexpectedly. Supports Arm and Disarm modes
• Seamless Smart Home Integration: Open/Close Detector works with Alexa, Google Assistant for voice control and automation (e.g., "Alexa, is the garage door open?") . Create cross-device scenes: Trigger lights, cameras, or thermostats when a door opens (e.g., "Welcome Home" lighting automation)
• Long Battery Life: eWeLink Smart Door/Window Sensor is powered by 2*AAA battery with low-power alerts. No need for frequent replacements
• Easy To Install: No need complicated tools and steps to install the window sensor, and the mini design sensor won't occupy any extra space. Just make sure the Alexa contact sensor in paring mode, and the network is running on 2.4GHz
• Global Privacy Compliance & Robust Security: Our door alarm meets US data privacy regulations. Data encrypted, ensuring secure transmission

Door alarm with 2.4G Wi-Fi connection mode, no gateway hub required; set up a wifi window alarm for your home in just a few minutes and control it from your phone via eWeLink app. Easily mount the door sensor anywhere without damaging your furniture with the included adhesive backing! Specification: App: eWeLink app Material: ABS Plastic Power Supply: DC3V 2*AAA battery (Included) Wireless type: 2.4 GHz WiFi（5G is not supported!） Standby Current: 35uA Working Temperature: -10°C ~ 50°C（14℉-122℉） Size: 69.5*24*16mm/2.73*1*0.63inches Package Includes: - eWeLink Door/Window Sensor ×1 - Mounting Accessories ×1 Set - Quick Start Guide