(2 Qty) Smart Wifi Door Window Sensor For, No Siren But Phone Notification Sekyo WiFi Door Sensor Detector Smart, Wireless Window Sensor Real-time Alarm Compatible with Alexa Google Assistant, Home Security Door Open Contact Sensor Product Features ?Door Sensor that Alerts Your Phone?: When door/window/garage is opened or closed, the smart door sensor will push instant alarm notification to your smartphone. You can also schedule timing for alarm enable/disable.. ie from 10:00pm to 6:00am etc. ?Home Smart Linkage?: Smart door sensor is programmable with other Tuya Smart Life Devices. To turn on / off your smart home devices automatically by connecting the smart window door sensor with your other smart home devices. For example, your home will be lighted on automatically when you open the door as you get home from work. Life has never be so intelligent. ?Door Alarm Compatible with Google Home, Alexa, Siri?: Smart door window alarm works with Alexa and Google Home. Support voice control by Google and Alexa. Alexa/Google is able to answer the question ?Is the door open/closed?? ?AAA Battery Powered?Sekyo Door and Window Sensors are AAA battery-powered for a long-lasting performance. It is used to detect whether doors, windows, drawers and so on are opened or moved in your absence. When the battery is running out, you will receive an App notification. AAA batteries not included in the box. ?DIY Installation?No tools required. Comes with adhesive tape and screws. Install anywhere using adhesive tape or screws, change placement whenever, wherever you want. You can install the alexa door sensor on front doors, garage doors, liquor cabinets, safety deposit box, pet doors and more. The contact sensor is also a good option as a mailbox sensor ?No hub required?This smart home door and window sensor system works with your home Wi-Fi. No hub required! Just Simply download the 'Smart Life' App. The sensors easily install in any entrance which provide you flexible placement options. ?What's in the box?Door Sensor, Screws, Double Side Tape, User Manual, Reset pin. (AAA batteries not included) Shipping: Shipping is complimentary within the lower 48 US States. We Do Not Ship to PO/APO Boxes, HI or Alaska We Do Not Ship Outside of the Continental US All items ship within 24-72 hours of Payment For large items that require Freight shipping a valid phone number is required to call and schedule your delivery Terms of Sale and Feedback: Feedback is extremely important to us and If you are satisfied with our transaction, please take a moment to leave Positive Feedback. YOUR Satisfaction is our #1 Priority! If there are any issues, PLEASE contact us BEFORE leaving a neutral or negative rating so that we may resolve any concerns. We PROMISE we can make you happy if you give us a fair chance. Returns / Concerns: All items qualify for returns within 14 - 30 days of receipt. Buyer is responsible for return shipping on any item that is not damaged Please be sure this is an item you want before making your purchase. Customer Satisfaction is our TOP priority! All items are IN STOCK at time of listing. Inventory changes constantly and it is impossible to maintain a perfectly accurate count of all items. Please do not penalize us if we have to issue you a refund! Thank You For Your Business!