Wifi Door Sensor, Smart Door And Window Sensor Alarm, Multifunctional Sensor For Product Details ?WiFi Door Sensor Works with Alexa: Monitor windows/doors?open/close status), check power and control arming/disarming via Alexa app. Real-time updates on contact sensor and motion sensor, seamlessly integrate with other Alexa devices for customized smart home scenarios.(Only Support 2.4GHz WiFi? ?WiFi Multipurpose Door Sensor (Contact sensor and Motion Sensor): Enjoy dual functionality in a single device. Seamlessly detect door open/close and motion with integrated sensors, providing enhanced security for your peace of mind. ?Real-time Alerts: Receive instant notifications on your smartphone when a windows or doors is opened/closed. Stay informed with integrated infrared motion detection for added security. ?Easy Installation for WiFi Door Sensor: Simply peel off the adhesive backing and attach it to the Door or Window. The WiFi Door Sensor is also very small and discreet. ?What You Get: 1 WiFi Door Sensor (battery included: 3*AAA), 1 User Manual, and a 1-year warranty. Our 24/7 support is here for you every day of the week, ensuring assistance whenever you need it. Payment We accept PayPal and credit cards via PayPal. Taxes - US We collect sales tax, as required by law. Shipping We make every effort of shipping within 3 business day of payment clearing. The estimated delivery time is 2 - 5 business days from the shipping date. Policies If you do need to return your item, please contact us via email (you will receive an email when your product ships with additional details - Subject: Important information about your purchase). You will then be provided with a return shipping label and packing slip. Pack the item carefully. Include the packing slip, apply the shipping label, and return the item within 30 business days of the date you request a return, or your return will be canceled. Once we receive your order we will inspect the return. Please allow up to 5 business days of receiving the returned item for your refund.